SP Flash Tool v5.2152

I recommend you use SP Flash Tool v.2152 with your Titan.

Windows Linux Source

See SP Flash Tool for instructions on how to use it.

Unihertz Titan

UFS Memory

* UFS Stock Rom

Android 10

Boot Into Recovery Mode (adb reboot recovery or hold Power+Volume Up while booting)

EMMC Memory

If you bought your Titan in the EU You want EEA

EEA

* EEA Stock Rom

TEE

* TEE Stock Rom

Android 10 Update

adb sideload 2021020509_g61v71c2k_dfl_tee-ota.zip

Unihertz Titan Pocket

If you bought your Titan Pocket in the EU You want EEA

*EEA Stock Rom

*TEE Stock Rom

Unihertz Titan Slim

If you bought your Titan Slim in the EU You want EEA

*EEA Stock Rom

*TEE Stock Rom