Firmware Tcl 30 Se Guide

Before manually flashing anything, always check for an Over-The-Air (OTA) update.

Enthusiasts sometimes turn to custom ROMs (e.g., LineageOS) for the 30 SE. These can offer:

If you go this route, always read the device‑specific XDA‑Developers thread, follow the flashing guide step‑by‑step, and keep a backup of the stock firmware in case you need to revert. firmware tcl 30 se


There are two methods depending on the state of your phone.

Go to:
Settings → About Phone → Build number
Example: T676D_0C6A_2.0.7 Before manually flashing anything, always check for an

You need exact match of model + region + version to safely flash stock firmware.


Forgetting your Google account password after a factory reset can lock you out of your own phone. Specialized firmware patches or "FRP files" can help bypass this, though this should only be done on devices you legally own. If you go this route, always read the

Before downloading any file, you must know your exact build number.

Also note the Baseband Version – this is specific to your cellular hardware. Keep a screenshot of this page before flashing anything.