I want to install a custom ROM on my mi mix 3. (preferably LineageOS, because I already have experience with it) Unfortunately my phone is not in the list of supported devices. Reboot to recovery (TWRP recovery for Mi MIX 2S) Format /system, /data and /cache; Install LineageOS zip package [*]Install [optional] the LineageOS su addon to get root (there are obviously other root methods, but this is the recommended one as it survives to OTA updates) Here is how to do that. First, enter Fastboot Mode on your Mi device, by holding together Volume Down + Power. Download the twrp-3.2.1-0-chrin.img file from the following link. Then store it in a dedicated folder on your computer. Open the folder where you have stored the twrp.img file. 2 - Turn off your Mi MIX 2 3 - Go to fastboot Mode by holding VOL(-) and Power key 4 - Connect your device to PC using USB cable XDA Developers was founded by Please visit the XDA forums for your device to see if there are other, possibly more complete, builds available. 1. Android One Xiaomi Mi Mix 3 5G (andromeda) LineageOS 18.1. January 11, 2021. 57. Device Branch Type MIUI Android Size Date Link; Mi MIX 3 5G China: Stable: Fastboot: V10.3.17.0.PEMCNXM: 9.0: 2.4 GB: 2019-08-01: Download: Mi MIX 3 5G China: Stable eEiO.

mi mix 3 xda