Thread: 9300 error 507

need help to clear error 507

This error means your BlackBerry has been wiped and there is no OS loaded on it. So you need to reload your OS.
Check from Post 4 in the following thread : All In One Guide - How To Upgrade Your Device - with Pictures & Videos


Also you can find the latest OS for your Curve 9300 6.0.0.749 released by T-Mobile Austria :https://updateservice.t-mobile.net/b...o?servcoid=TMA

After opening the previous link, follow the following instructions in sequence : Press Free download area > Endgeräte > RIM Devices > 9300 > Handheld Software 6.0 rel 3159 and then press download.

Waiting your feedback !