![]() ![]() All the commands are case sensitive so type each command line carefully.Copy this file on your computer for more safety. This command will create an efs.img file on your phone internal/external storage.On the next line type either of the two commands and press enter:ĭd if=/dev/block/mmcblk0p3 of=/storage/sdcard/efs.img bs=4096ĭd if=/dev/block/mmcblk0p3 of=/storage/extSdCard/efs.img bs=4096.After a minute, the backup process will complete with a successful message displaying on the screen.Now just tap on the Backup option to start the process.If your phone runs on the Qualcomm Snapdragon processor, then you need to select Samsung Int. I’m using the Samsung International variant phone so I’ll select Samsung Int. Also, select the type of device under the Device filter option. Now tap on the Backup tap located on the top left corner of the tool.If your computer fails in detecting the device, make sure device drivers are properly installed or not.After successful detection, you’ll see your device status, model number, firmware version, root and busy box version etc.At the same on your phone, a popup window will appear to grant Superuser permission.It will automatically detect the connected phone. This will launch the EFS Professional tool.Moreover, click OK on the next popup window.Then click on EFS Professional from the popup window.From the extracted folder, open the EFS Professional.exe file.Download and extract the EFS Professional tool on your PC.Furthermore, connect your phone to the computer via USB cable.After installation, you’ll see a successful message on the screen.This will install the required files for BusyBox to work.On the main screen tap on the Install option.Launch it and grant Superuser permissions.Download and install Busybox App on your phone.NET Framework installed on your computer. Android phone with Root access (custom recovery not needed).Mobile USB drivers must be installed on your computer.Īt first, we’ll use EFS software on your Windows PC to backup IMEI.Enable USB debugging mode from your mobile settings.Make sure your Android phone is charged at least up to 60%.We’ll not be held responsible if your phone gets damaged by following these methods. Here, we’ll discuss some easy 10 methods on how to backup and restore EFS on Android phones. To avoid any unpleasant situations mentioned above, it is necessary to take a complete backup of EFS data. How to Backup and Restore EFS/IMEI on Android phones In rare cases, manually upgrading or downgrading official firmware may also corrupt EFS data.Installing corrupted Kernel or unsupported Kernel may also lead to the corruption of EFS data.Installing custom ROMs from unknown sources may corrupt EFS data.There are many reasons because of which your EFS data can get corrupted some of them are listed below: Also, you’ll be not able to make or receive calls, send or receive messages, connect using Wifi, Bluetooth, etc. Hence, for any reason, if this EFS data gets corrupted then your device will be completely useless and will no longer be recognized by your carrier. KEYCODE_BACK would be BACK as illustrated above):Īnd here's a list of more direct settings windows you can launch:Ĭopied here: (just precede them with adb shell am start -a to launch) Ĭom._DEVELOPMENT_SETTINGSĬom._LAUNCH_SETTINGSĬom._INPUT_OUTPUT_SETTINGSĪ_SYNC_SETTINGS_ADD_ACCOUNTĪ_STORAGE_SETTINGSĪ_SOURCE_SETTINGSĪ_ALL_APPLICATIONS_SETTINGSĪ_APPLICATIONS_SETTINGSĪ_DICTIONARY_SETTINGSĪ, EFS can handle all the functions related to connectivity including Cellular Network, Wifi, Bluetooth, IMEI, Network Unlock Information etc. Here's a list of more key commands you can use (just look for the ones preceded by KEYCODE_, and remove that part. You can also use the Back button to go back a page: adb shell input keyevent BACKĪnd you can use the arrow keys to navigate through confirmation popups (or move brightness/volume sliders): adb shell input keyevent DPAD_RIGHT ![]() You can try sending one tab command at a time to see how many you need to send before getting to the item you want. I don't have an android tv box so I don't have the setting you do, but the commands would look something like this: adb shell am start -a _SETTINGSĪdb shell am force-stop I just use the virtual Tab key to navigate through the menu items then press Enter to select a submenu or toggle an option. ![]() I've done that with some settings I can't seem to set a value from a single adb command. I'm not sure how to change the value directly, but to expand on another answer (and also because it sounds like this is what you're asking for), you can use adb to navigate through settings windows and pick different things in the UI. ![]()
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