Before any update, use an app like MTK Client or Firmware Backup Tool (if rooted) to dump your current system. This is your lifeline.
If the update fails, users often need to perform a force restart or a factory reset to recover the system. K2001n Firmware
The K2001n is being phased out for (Android 13/14) and UIS8581 (more RAM). However, the T5 platform continues to receive community-driven "Lite" ROMs. Before any update, use an app like MTK
: Fixes issues where the unit freezes or navigation apps like Google Maps or Yandex crash. Before any update