how to downdate my sony xperia m

[xperiamuser1]

I need to downdate my phone becausy i wont install gta SA on my phone and i dont have free space and Android 4.3 cant save apps on SD card  but Android 4.2 can . Please help

[Thommo · Accepted solution]

You need to pop over to XDA and look for a 4.2 .ftf firmware file and use Flashtools to downgrade

This may help explain things and also has a 4.1.2 firmware

[xperiamuser1]

thank