: Flashing can sometimes corrupt the NVRAM partition on Spreadtrum devices. Use a tool like SPD WriteIMEI or MauiMETA to restore your original IMEI numbers found on the sticker underneath the tablet's battery cover.
There are highly experimental, unofficial ports of CyanogenMod (the predecessor to LineageOS) or pure AOSP based on Android 5.1 Lollipop floating around alternative tech forums. While they offer a more modern user interface and better app compatibility, they almost always suffer from the "Spreadtrum Curse." Common bugs in these builds include: Broken cellular connectivity (no 3G/calls on the T1-701u)
The Ultimate Guide to Finding and Installing a Huawei T1-701u Custom ROM Huawei T1-701u Custom Rom
Download the compatible TWRP recovery .img file for the T1-701u.
A custom recovery is mandatory to flash a custom ROM .zip file. Unofficial builds of TWRP (Team Win Recovery Project) version 2.8 or 3.0 exist for the T1-701u. : Flashing can sometimes corrupt the NVRAM partition
You cannot flash a ROM without unlocking the bootloader first.
To understand why the T1-701u is so difficult to mod, we must look at the hardware and software it was born with. Released in 2015 as the "Honor畅玩平板," the T1-701u was a budget-friendly 7-inch tablet featuring: While they offer a more modern user interface
Select Install > Locate the ROM .zip file on your SD card > Swipe to confirm installation.
Help you find a compatible update.app file for your T1-701u.
To install a custom ROM, the bootloader must be unlocked.
Before you can root or modify the device, you need to unlock the bootloader. Huawei officially stopped providing unlock codes for newer devices years ago, but for this older generation (based on the Spreadtrum chip), there are alternative tools.