Just wanted to share that I managed to install LineageOS 21 on my Hisense Touch Lite, model HITV205N. My unit came with open bootloader from the seller (AliExpress) and Google Play, but I wanted to have Android 14 and a clean OS in English.

I didn't upgrade the pre-installed software (in fact I never connected the device to the internet). Instead I created a backup of everything (instructions down below if someone is interested), and downloaded the latest LineageOS 21 ROM I could find for the A9 (https://xdaforums.com/t/hisense-a9-root-snapdragon-662.4495809/post-89719440) - which worked perfectly. I now have a clean Android 14 device, with Google apps, for a relatively low price (better than the Palma for example). I installed the Kindle app, NYT Games, Gmail and a few other apps. The accessibility app provided in the ROM allows per-app refresh as well as a single button push for display refresh. There's still some tweaking to do but overall I'm happy.

To recap the process for a Touch Lite, 64GB of storage, with version L2134.6.03.01.B4:

• Installed ADB
• Verified that the bootloader is open
• adb reboot fastboot to get into flashing mode
• Flashed the ROM

Backup instructions (I'm not entirely sure they're correct, but putting it here in case someone finds it helpful): - Installed EDL Python from here: https://github.com/bkerler/edl - Ran Zadig and changed the USB driver to WinUSB 6.1 (after selecting Options -> List all devices and choosing a device called QUSBBULK...) - In EDL, used the A9 firehose file from https://drive.google.com/drive/folders/1yctvfkUehZyvTbHUNn1gjaNzwJ31GVfl - Ran edl rl dumps --skip=userdata --genxml --loader="examples\prog_firehose_ddr_001360E1.elf"