Hold the (or sometimes keys 2 and 5) while connecting the phone to the PC via USB. 5 Execute Flash

, released in 2011, is a classic QWERTY feature phone that occasionally needs a fresh start. Whether your device is stuck in a boot loop, restarting randomly, or you simply want to refresh the firmware to improve operational stability, flashing the correct "flash file" is the most effective solution. Why Flash Your CK13i?

: Back up all data as flashing wipes the device. Ensure the battery is at least 50% charged.

Restoring Your Sony Ericsson txt (CK13i): Full Flash Guide Sony Ericsson txt CK13i

Scroll to Top