Sony Xperia C2305 flash done with flash tool, the below is the process to flash Xperia mobile phone using this tool. The Xperia C runs on Android 4.2 which can be flash with Sony mobile flasher. So to flash the phone follow the below process.
Sony Mobile Flasher (Version 0.9.22.0)
Xperia C2305 ftf Firmware (C2305_16.0.B.2.16.ftf)
How to Flash?
Open Flash Tool
Click on Flash Icon and Select C2305 ftf file
When it ask to connect the phone
Connect the phone by pressing volume down key
Wait till the flash process complete
|C2305_16.0.B.2.16.ftf flash done with tool|
Note: The phone will take 30 minutes (approx) to complete the flashing.
After flash complete remove the phone and switch on the phone manually, and now you are done, wait for some time after switch on the device.
Download the above version of Sony mobile flasher, if you use latest version of sony flasher it may not work, it's tested on the version 0.9.22.0 so use the this version to complete flash Xperia C2305. You can download Xperia C Firmware and Flasher by searching on Internet.