How to grant the WRITE_SECURE_SETTINGS permission to the Big Font app?

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Some functions are only available on a rooted device and fortunately, you can enable them by using ADB to grant the WRITE_SECURE_SETTINGS permission to Big Font.

To give this permission, please follow the steps below:

Unlock developer options
1. go to Settings > About the phone
2. tap on the Build number item 7 times

Turn on the debugging option
3. go to Settings > System > Developer options
4. check the USB debugging option

Run ADB on your computer
5. visit How to run ADB on your laptop? for how to do it

Connect the phone to a computer
6. connect the phone to the computer with a USB cable

Grant the permission
7. run the following adb command on your computer:

For WebADB:
pm grant com.a0soft.gphone.bfont android.permission.WRITE_SECURE_SETTINGS

For Windows and Linux:
adb shell pm grant com.a0soft.gphone.bfont android.permission.WRITE_SECURE_SETTINGS

For MacOS:
./adb shell pm grant com.a0soft.gphone.bfont android.permission.WRITE_SECURE_SETTINGS

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