ROM DL 3420 Tablet – ROM Android 5.1.1
ROM Official DL 3420 Tablet version: Tablet_DL_3420_TabPhone_710_Pro_V5.1.1 – sofia3gr-user 5.1.1 LMY47V
Gapps include – No Rooted
Language support: Multilang
Install ROM :
– Run the utility FlashTool_E2
– Click the File -> Settings > Autostart
– Click on File -> Add Download File -> open the folder with the firmware files, select and click on Open.
– Click the Files to Download checkbox and check to select all files.
– Clicking on the Next button -> In the Download window press Start USB 1, > connect the device to the PC using a USB cable.
– Upon connection, Windows will detect the new device and automatically install the driver on the Intel USB Flash Loader Utility.
– Now disconnect the device from the PC and press the Start USB 1 button again.
– Again reconnect the device with the PC. The process of firmware installation begins which will take a couple of minutes.
– After installation finishes up, you will see a screen saying of successful installation.
– Now disconnect the device and reboot it manually
※Please make a backup of your device before installing or updating ROM
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