How to Transfer Data from Tecno Spark 20 Pro to Other Android Devices? | Dr.fone

How to Transfer Data from Tecno Spark 20 Pro to Other Android Devices? | Dr.fone

Emma Lv12

How to Transfer Data from Tecno Spark 20 Pro to Other Android Devices?

Hi, I have recently bought a new Android phone. Is there any way to transfer my data (Contacts, Messages, Photos, Videos, Music, Apps, etc.) from my old Android phone to the new Android phone? I have used the Samsung Kies program to transfer my Contacts, Music, and Pictures, but there is no option within the program to transfer text messages. I would really appreciate any suggestions? How to transfer data to a new phone? Thanks.

Have you had your old Android device for years, and it’s time for an upgrade? Here top 4 solutions to transfer data from Tecno Spark 20 Pro to Other Android Devices . Getting a shiny Android device, like Samsung Galaxy Note 8, S7, S8, is an exciting thing, but also frustrates you. Although Android offers easy access to the SD card, you still find it difficult to transfer data, like apps and SMS from Tecno Spark 20 Pro to Other Android Devices in batch. Are you scratching your head about it? Don’t worry. Here is a chance for you. All you need is to give a professional transfer tool, Dr.Fone - Phone Transfer to transfer everything from one phone to another. Read this article, and you will know how to transfer data from Tecno Spark 20 Pro to Other Android Devices easily and quickly.

Part 1. How to transfer data from Tecno Spark 20 Pro to Other Android Devices in One Click

When you log into the accounts, like Google, Facebook, Twitter, contacts in them will also be transferred. Thus, make sure whether you want to transfer them or not. If not, do not sign in the accounts before the Android to Android transfer. Dr.Fone can transfer everything from Tecno Spark 20 Pro to Other Android Devices, including apps, contacts, messages, videos, music, photos, calendar, even WhatsApp chats, etc. Follow the steps below to know clearly how to send data from Tecno Spark 20 Pro to Other Android Devices.

Step 1. Run the Android to Android transfer Tool

The first thing is to install and run Dr.Fone on your computer. When its primary window appears, click Phone Transfer to start transfer data.

How to Transfer data from Tecno Spark 20 Pro to Other Android Devices-select solution

Step 2. Get Both Android Devices Connected

Connect your two Android devices to the computer via USB cables. After recognized, your Tecno Spark 20 Pros will be listed res on both sides of the window.

How to Transfer data from Tecno Spark 20 Pro to Other Android Devices-start to transfer contacts from Tecno Spark 20 Pro to Other Android Devices

Step 3. Transfer Contacts, Photos, Videos, Music, SMS, Call Logs, Calendar and Apps from Tecno Spark 20 Pro to Other Android Devices

Between the two Android phones, display all the contents you can transfer. You can uncheck any content you dislike to transfer. Then, click Start Transfer to transfer files from Tecno Spark 20 Pro to another Android Phone quickly.

How to Transfer data from Tecno Spark 20 Pro to Other Android Devices-Android to Android transfer completed

That’s all. It isn’t easy to transfer all your data from Tecno Spark 20 Pro to Other Android Devices. Try Dr.Fone - Phone Transfer free to transfer Android files to your new Android phone. It is the best Android to Android data transfer tool. With it, you can transfer everything from Tecno Spark 20 Pro to Other Android Devices.

Part 2. How to Transfer Everything from Tecno Spark 20 Pro to Other Android Devices with Google Backup

No one likes to spend a lot of time on the stuff, such as transfer data from Tecno Spark 20 Pro to Other Android Devices every time you change the phone. If you want to transfer quickly and painlessly, then here is the best which explains how to transfer data from Tecno Spark 20 Pro to Other Android Devices using the Google Backup method. Google still has many ways to get all your stuff off your old device and add to your new device using Google Backup.

how to transfer from Tecno Spark 20 Pro to Other Android Devices -Google Backup

Before taking up backup the first thing you need to do is to sign-in the Android phone using your Google account. In the setting menu, you need to search for Backup and reset mode. Make sure you have backup data and automatic restore as both are flipped on your google account. Your Google server will remember your password, so you do not need to re-enter the password every time you sign in. Google sync really very well with Android devices.

Part 3. How to Transfer Data from Tecno Spark 20 Pro to Other Android Devices with Bluetooth

Users feel good while setting up a new Android device. But we also know that your data is sensitive, so there would be one thing that would bother you is how to transfer data from Tecno Spark 20 Pro to Other Android Devices using Bluetooth . Don’t worry. Here’s an easy way that would help you out to transfer all the data safely by simply using Bluetooth. You have to connect both the Tecno Spark 20 Pro devices and enable the Bluetooth.

how to transfer from Tecno Spark 20 Pro to Other Android Devices -Bluetooth

This one is the best to transfer the data such as photos, videos, songs, and other files. You have to discover the Tecno Spark 20 Pro device and connect them through the wireless Bluetooth exchange data method. Allow your destination device to detect its presence and attempt to establish the connection between them. Once both devices are paired with Bluetooth, exchange the data, which include files, songs, ringtones, photos and videos. Note that Bluetooth can’t transfer text messages, contacts, call history or Apps.

Part 4. Tips about how to transfer from Tecno Spark 20 Pro to Other Android Devices

When you have bought a new device, then certainly there is a need to transfer your data such as Contacts, SMS, Photos, Music, Apps, and more other documents using different methods. Your device data can also be transferred from Android smartphones to iPhone and vice versa. If you need to have a fast and easy way to transfer the data, you can try with Dr.Fone - Phone Transfer. Here we also have a list of a few different ways which can be used easily without any restrictions.

Transfer Contacts from Tecno Spark 20 Pro to Other Android Devices

Transferring the contacts is the most important thing, the time has come when you do not need to face the painstaking process of copying each contact with the hand. Now you can transfer the contacts easier along with cloud synchronization. It’s one of the easiest ways to keep your contacts up-to-date and sync it with your Google account. Transfer the contacts and sync it on that registered account. Similarly, when you buy a new device, open your Google account on your new device and copy all the saved contacts from that account onto your new device.

how to transfer from Tecno Spark 20 Pro to Other Android Devices - Transfer Contacts

Transfer SMS from Tecno Spark 20 Pro to Other Android Devices

You can now transfer your old SMS to the Android device easily by using this free SMS backup app, which can restore and transfer all SMS stored in XML file format, and then you can send directly to your new Android devices. Here we have used a backup app that can explain how to transfer from Tecno Spark 20 Pro to Other Android Devices easily when connected with each other and help you out to restore the SMS messages. Note that this app won’t pay attention to which SMS already exists and which one is imported twice. Instead, you can use MobileTrans one-click app, which helps you out in resolving this problem.

how to transfer from Tecno Spark 20 Pro to Other Android Devices - Transfer SMS

Transfer Photos from Tecno Spark 20 Pro to Other Android Devices

You can use Dr.Fone - Phone Transfer, which can help you in how to transfer from Tecno Spark 20 Pro to Other Android Devices easily. You simply have to install the tool, connect your Tecno Spark 20 Pro, and share your data such as photos, movies, and other files directly from Tecno Spark 20 Pro to the other Android devices. Try it free.

how to transfer from Tecno Spark 20 Pro to Other Android Devices - Transfer Photos

Transfer Music from Tecno Spark 20 Pro to Other Android Devices

We all love music and have collected the music according to our choice. Mostly we store the MP3 files that appear on your computer after you connect your smartphone. Firstly you need to download the Android File Transfer app if you’re a mac user or else use Bluetooth File Transfer that saves these files on your computer, and then you can transfer to another device. Instead, you can use MobileTrans tool, which can easily resolve your problem of how to transfer everything from Tecno Spark 20 Pro to Other Android Devices with few clicks only.

how to transfer from Tecno Spark 20 Pro to Other Android Devices -Transfer Music

Transfer Apps from Tecno Spark 20 Pro to Other Android Devices

There are many apps that you require to transfer from your old phone to a new device, but here we have a Helium backup tool that can explain how to transfer from Tecno Spark 20 Pro to Other Android Devices apps easily and do not require to be rooted. It can transfer the tool which can come in a free trial version and also support SD card and PC. You can automatically schedule the backup and can sync your Tecno Spark 20 Pros.

how to transfer from Tecno Spark 20 Pro to Other Android Devices -Transfer Apps

I hope we were able to make you understand how to transfer everything from Tecno Spark 20 Pro to Other Android Devices using third-party tools. We recommend using Dr.Fone - Phone Transfer, which works as the all-in-one tool and transfers all your data within few clicks only, including contacts, SMS, Photos, Music, Videos, Apps, etc.

Why not download it have a try? If this guide helps, don’t forget to share it with your friends.

5 Easy Ways to Copy Contacts from Tecno Spark 20 Pro to iPhone 14 and 15

Alice MJ

Upgrading to iPhone 14 or 15 after using an Android smartphone for a long time is indeed a big leap. Why so? The simplest explanation is that these two mobile devices run on a completely different operating system. But don’t worry. With regard to data migration, the process has become much more convenient today than before. Big thanks to highly advanced technology and modern practices.

The contact list is among the most important data stored on our mobile phones. That’s why it is the first thing users want to secure during transfer. Adding the phone numbers manually to the mobile directory is undoubtedly the safest migration method. But in today’s digital world, there are lots of easy techniques to copy contacts from Tecno Spark 20 Pro to iPhone. No need to exert much time and tremendous effort. You can literally get this done within a few minutes.

In this article, we will provide a few tutorials on how to export contacts from Tecno Spark 20 Pro to iPhone. We will also list down some preparation tips to help you finish the procedures smoothly. Continue reading below to learn more.

Can You Copy Contacts From Tecno Spark 20 Pro to iPhone?

Data transfer doesn’t only happen when you get a new mobile device. In fact, it is actually a common procedure that many users initiate from time to time. Let’s say you’re asked to send a particular contact detail to a specific person at your place of work. Another possibility is that you prefer to view Your Tecno Spark 20 Probook from both your personal and business smartphones. That’s why having a convenient and effective means to copy contacts from Tecno Spark 20 Pro to iPhone is very helpful. Imagine all it takes is a few taps to send your address book from one end to another.

There are numerous ways to export contacts from Tecno Spark 20 Pro to iPhone 14 or 15. But to get promising results, you definitely have to choose the best method applicable to your current situation. Take note that you’re transferring files between two devices with different operating systems. Therefore, there’s probably no direct method to commence such procedures. You have to go through a series of steps in order to copy contacts from Tecno Spark 20 Pro to iPhone. But don’t worry. Most of them are indeed a walk in the park. No technical skills or advanced equipment are required to complete the process.

5 Techniques to Export Contacts From Tecno Spark 20 Pro to iPhone 14 or iPhone 15

“How do I transfer contacts from Tecno Spark 20 Pro to iPhone 14 or iPhone 15?” As mentioned earlier, data transfer between two devices is now as easy as falling off a log. It’s no longer required to engage in manual work because most of the steps involve automation. To help you in this regard, below are the top five techniques to copy contacts from Tecno Spark 20 Pro to iPhone. Just try to commence each solution and find the best one that brings good progress.

Method 1: Import vCard to iCloud

You can instantly copy contacts from Tecno Spark 20 Pro to iPhone 14 or 15 by simply uploading your contact list to iCloud. Just make sure you’re uploading a Virtual Card File and your device is synced to your iCloud account. Here’s a quick guide on how to do it in easy steps.

  • Step 1: Open the Contacts app on your Android smartphone.
  • Step 2: Click Fix & Manage to bring out the settings.

contacts fix and manage

  • Step 3: Click Export to File.

export to file

  • Step 4: Choose the contact list you want to export. Then click Export.

export contact list

  • Step 5: Choose a specific folder where you want to save the exported VCF. Right after, click Save.

save vcf

  • Step 6: Upload the vCard to your iCloud account. Log in to icloud.com using your Apple and then click Contacts > Settings gear icon > Import vCard.

upload vcf

  • Step 7: Lastly, sync your iPhone to iCloud and then check your contact list from the app.

Method 2: Import contacts from Google account

Are you using Google Contacts on your Android smartphone? Or, at the very least, do you back up your phone book to your Google account? If so, you can easily export contacts from Tecno Spark 20 Pro to your iPhone via your Gmail account. Here’s how to do it in easy steps.

  • Step 1: Launch the Settings app on your iPhone.
  • Step 2: Click Mail.

mail settings

  • Step 3: Click Accounts.

mail accounts

  • Step 4: Select Google.
  • Step 5: Log in to your Gmail account that contains your contact list.
  • Step 6: The settings for your Gmail account will appear once you have successfully logged in on your iPhone. Toggle on the radio button next to Contacts to sync your phonebook with the new device.

sync contacts

Method 3: Copy contacts from the SIM card to your iPhone

Another way to export contacts from Tecno Spark 20 Pro to iPhone is with the aid of your SIM card. Simply save your phonebook to the SIM card and import it on your iPhone. Here’s a simple guide to help you commence this procedure.

  • Step 1: On your Android smartphone, move all your contacts to the SIM card. Once completed, eject the card and insert it into your new iPhone 15. Wait until the SIM card has been recognized.
  • Step 2: Open the Settings app on your iPhone.
  • Step 3: Click Contacts.

contacts settings

  • Step 4: Click Import SIM Contacts.

import sim contacts

  • Step 5: Once completed, check the Contacts app and find the newly imported directories.

Method 4: Export contacts from Tecno Spark 20 Pro to iPhone using Move to iOS

Move to iOS is an Android mobile application you can use to migrate your files to your new iPhone 14. It is free and easy to navigate. Here’s a quick guide on how to copy contacts from Tecno Spark 20 Pro to iPhone using the Move to iOS app.

  • Step 1: Download the Move to iOS application on your Android smartphone.
  • Step 2: Launch the app on your device afterward.
  • Step 3: Click Continue.

move to ios app

  • Step 4: Read the Terms and Conditions and then click Agree.
  • Step 5: On the Find Your Code page, click Continue.

find your code

  • Step 5: To proceed, make sure your iPhone is on the iOS setup page. From there, click Move Data From Android. Your iPhone will then show a unique code.

move data from android

  • Step 6: On your Android smartphone, key in the code displayed on your iPhone screen.
  • Step 7: Choose Contacts. After that, wait for the data transfer to start and finish.

Method 5: Copy contacts from Tecno Spark 20 Pro to iPhone using Wondershare Dr.Fone

The easiest way to export contacts from Tecno Spark 20 Pro to iPhone is by means of third-party phone transfer software. Wondershare Dr.Fone is one of the best tools that can help you a lot in this regard. Its phone transfer feature is designed to initiate and complete data migration with just the snap of a finger. Here’s a short guide on how to use it in easy steps.

  • Step 1: Download Wondershare Dr.Fone from its official website. Install it on your computer.
  • Step 2: Launch the newly installed Wondershare Dr.Fone on your desktop. Wait until the application has fully loaded.
  • Step 3: Navigate the left-side panel and then click Toolbox. On the main dashboard, click Phone Transfer.

wondershare drfone phone transfer

  • Step 4: Connect your Android smartphone and iPhone to the computer using a data cable.
  • Step 5: Once the two devices have been recognized on the platform, set your Tecno Spark 20 Pro as the Source and your iPhone as the Target. Alternatively, click the Flip button to specify the direction of the transfer.

data transfer huawei and iphone

  • Step 6: After that, choose the categories of the files you want to transfer. From there, click Contacts and then tap Start Transfer to proceed.

start transfer

  • Step 7: Wait while the data transfer is ongoing. Avoid using both your devices during the process to avoid unwanted disruptions.

data transfer ongoing

  • Step 8: After completing the process, click OK to wrap it up. Check your iPhone contacts afterward and find the newly imported contacts from your old Android phone.

data transfer done

Simple Reminders to Copy Contacts From Tecno Spark 20 Pro to iPhone Smoothly

It’s true to say that the five data transfer methods above are safe and effective. But generally speaking, we can’t deny that any process that involves the migration of data is sensitive in nature. That’s why it’s important to prepare both devices before officially initiating the data transfer process. Here are some reminders you need to keep in mind before you export contacts from Tecno Spark 20 Pro to iPhone.

  • Make sure your iPhone is fully charged and carrying enough internal storage.
  • Incoming phone calls might interrupt the data transfer process in some ways. Hence, it’s best to turn the Airplane mode on both devices while the contacts are being migrated.
  • Don’t use both devices once the data transfer has started.
  • Lastly, create a backup file for your contact list. You never know what’s going to happen with the transfer. It’s best to be prepared to avoid data loss. Don’t worry. Wondershare Dr.Fone has a file backup feature that can help you a lot.

Conclusion

Data transfer is a sensitive procedure. That’s why it’s highly recommended to opt for a conservative yet effective migration method to prevent serious issues. The five techniques above can surely help you copy contacts from Tecno Spark 20 Pro to iPhone 14 or any model. Just make sure to prepare your mobile devices beforehand and settle on the data transfer option suitable to your needs. For a more convenient phone transfer solution, install Wondershare Dr.Fone on your computer. It is equipped with data migration features that can help you export contacts from Tecno Spark 20 Pro to iPhone securely.

How to Transfer Apps from Tecno Spark 20 Pro to Another

Nowadays, the transfer of apps between devices has become an essential task. Switching from one phone to another requires a smooth transfer of applications. It is particularly important when transitioning to an Android device. This comprehensive guide explores how to transfer apps to new Android phones.

Moreover, understanding the app migration process is crucial whether you are moving from an iOS device or another Android phone. This article aims to simplify the journey, offering step-by-step instructions and expert tips.

transfer apps from phone to android

Part 1: Is It Possible To Transfer Apps from Tecno Spark 20 Pro to Other Android Devices and iPhone to Android?

It is possible to transfer applications from an Android phone to another Android. There are multiple ways that Android offers to move apps between two smartphones. These include using the Google Play Store and signing in with the same Google account. Also, multiple tools and apps can assist you in this context.

By contrast, it is not feasible to transfer apps to a new Android phone from an iPhone. That’s mainly because of the different operating software in the two devices. The applications downloaded in iOS are not compatible with Android. Additionally, Google Play Store does not support these iOS applications. That’s why directly transferring apps from iPhone to Android is impossible. You must download it again from the Google Play Store on your Tecno Spark 20 Pro.

Part 2: How To Transfer Apps From One Android Device to Another in 3 Simplified Steps?

You can try Wondershare Dr.Fone - Phone Transfer tool if you are trying to transfer apps from one Android to another. This tool offers an efficient and convenient solution for transferring data between devices. With a one-click method, it simplifies moving various data types, including contacts, apps, photos, videos, and more.

Also, the software supports a wide range of devices, including the latest products of Apple, Samsung, and other famous brands. Notably, it is compatible with the latest iOS 17 and Android 14 versions, ensuring smooth data transfer. This makes it a versatile tool for users seeking a hassle-free and convenient data transfer experience across various devices.

Key Features

  1. Wondershare Dr.Fone – Phone Transfer tool allows you to select the desired type of files and transfer them with just one click.
  2. The tool enables the users to transfer within devices in a few minutes. This saves a lot of time and increases the productivity of the users.
  3. This software is operatable and provides easy navigation for each kind of user. That means you don’t have to be a tech expert to run the tool.

Steps Involved To Transfer Apps From One Android Device to Another Using the Phone Transfer Tool

Wondershare Dr.Fone – Phone Transfer provides a complete solution through a phone transfer process. You can discover the following essential steps in this how to transfer apps to a new Android phone procedure:

  • Step 1: Download Dr.Fone and Choose Phone Transfer Tool

Download the Wondershare Dr.Fone toolkit by pressing the “Free Download” provided and install it on your Windows PC or MacBook. Next, choose the “Phone Transfer” tool from the “Toolbox” tab present on the left side.

choose the phone transfer tool

  • Step 2: Device Selection for Android-to-Android Transfer

Start the process by connecting both Android devices to load their data onto the platform. After that, designate the “Source” and “Destination” devices for the transfer. You can also use the “Flip” button to flip the Tecno Spark 20 Pro devices.

set the phones position

  • Step 3: Select the Data Categories for Transfer

Now, you have to select the “Apps” category to be transferred in this process. Proceed by clicking the “Start Transfer” button after selecting it to start the transfer. A window will display the progress of the transfer, where you can view the progress bar. Upon successfully completing the data transfer, a confirmation message will appear on the window. Hit the “OK” button to conclude the transfer process.

transfer of data in process

Part 3: How To Transfer Apps From Non-Samsung to Galaxy Devices Using Samsung Smart Switch?

Samsung Smart Switch allows you to quickly transfer various contents from your one Android phone to a Galaxy device. Also, it provides you the option to transfer contents selectively. The contents include apps, contacts, messages, media, and more. Here, we’ll transfer apps from a non-Samsung Android phone to a Galaxy device.

  • Step 1: First of all, you have to open the Smart Switch application on your Galaxy device. Then, tap “Continue” to agree with the terms and conditions. After that, allow the app’s specific permissions to continue the operation.
  • Step 2: Next, open the Smart Switch app on the old device and tap the “Send Data” option. Then, select the “Wireless” option to start the procedure.

send data wirelessly

  • Step 3: Now, you have to tap the “Receive Data” option on your Galaxy device. Next, select the “Galaxy/Android” option as a data source, followed by the “Wireless” option. Then, you need to “Allow” the connection on the old device that this new device wants to have.

receive data from android wirelessly

  • Step 4: The Galaxy phone will subsequently ask for the data selection. There, you can go into the “Custom” option and select the “Apps” option. Next, choose the applications you want to transfer and hit the “Transfer” option. The transfer process will be complete within a few minutes. You can tap on the “Go to the Home Screen” prompt and find the apps you have just transferred.

select apps to start transfer

Part 4: How To Transfer Apps Between Android Devices With the Help of Google Backup

There is another method that you can try to transfer apps to a new Android phone. This includes restoring a Google backup on a new device. You can back up all of your data, including the applications, to the Google account you have signed in. Later, you can restore the same data on a new device quite easily:

  • Step 1: First,access the “Settings” menu on your old Android device and tap on the “Additional Settings.” Then, you need to navigate to and tap on the “Back up and Restore” option.

navigate backup option in settings

  • Step 2: Next, choose the “Google Account” option and enable the “Backup by Google One” toggle. If the toggle is off, slide it to activate and select “Back up Now.” After that, your data is securely stored when the backup process finishes.

navigate backup option in settings

  • Step 3: To restore your data, you have to charge and power up your new Android device. Then, follow the on-screen instructions until prompted to restore data from another device. Following this, you will have to choose the Tecno Spark 20 Pro device from which you want to restore data and tap the “Copy Your Data” option.

head to copy required data

  • Step 4: Next,connect your Tecno Spark 20 Pro to the same Wi-Fi network as your old phone is connected. Then, select “A backup from the cloud” from the restoration options. In the next step, sign in to your Google account on your new device using the same account as your old phone. Now, you need to choose the recent backup from your old device.

choose to back up data from android

  • Step 5: Lastly, you can choose the “Apps” option to pick the apps you want on the new device. Afterward, you have to tap on the “Restore” option to restore your Google backup.

restore all the necessary apps

Part 5: How To Transfer and Download Apps From One Phone to Another Using Play Store

You can also transfer apps from one phone to another using the Play Store. It’s more like downloading apps and a time-consuming procedure. This manual method uses the Play Store to detect applications not installed on your new Galaxy device. Then, after the detection process, you can download those applications. The “how to transfer apps to new Android phone” method includes some steps that are described below.

  • Step 1: First, access the “Google Play Store” on your new Android device and tap the “Profile” icon situated at the upper right corner of the search bar. Among the displayed options, proceed with choosing “Manage Apps & Device” to proceed.

manage apps in play store

  • Step 2: Then, move to the “Manage” section and select the “Installed” drop-down menu. From there, opt for the “Not Installed” category to see all the previously installed apps of your old Android smartphone.

search not installed apps

  • Step 3: You’ll encounter a list of previously installed apps linked to your Google account but not currently on your new Galaxy device. Choose the desired apps and tap the “Install” button located at the top right to reinstall them.

install previously installed apps again

Conclusion

In a nutshell, you can transfer the applications from your old Android device to a new Galaxy phone using various methods. We have described these effective methods through which you can easily transfer your old apps. However, the Wondershare Dr.Fone – Phone Transfer method stands out as the best technique to transfer apps to new Android phones. The software allows the transfer process to be implemented in simple steps that require a few clicks.


Also read:

  • Title: How to Transfer Data from Tecno Spark 20 Pro to Other Android Devices? | Dr.fone
  • Author: Emma
  • Created at : 2024-05-19 18:55:08
  • Updated at : 2024-05-20 18:55:08
  • Link: https://android-transfer.techidaily.com/how-to-transfer-data-from-tecno-spark-20-pro-to-other-android-devices-drfone-by-drfone-transfer-from-android-transfer-from-android/
  • License: This work is licensed under CC BY-NC-SA 4.0.
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How to Transfer Data from Tecno Spark 20 Pro to Other Android Devices? | Dr.fone