How to install rom in Huawei G510-0200?
1 Create new folder and rename it to dload.
2 Now copy update.app file to dload folder that you downloaded in step 1.
3 Now copy that dload folder to root for your sdcard.
4 Now press Volume + Volume – and power at the same time
5 Update process will start.
6 Now wait for few minutes after update process finish cell phone will restart.