How fix unfortunately system has stopped working

1) Boot into recovery using "vol+ and power button at the same time.

Unfortunately, System Update has stopped (AditsoleTechnologies)

2) When you see the android man down logo with exclamation mark inside a red triangle, hold power button down and click vol + once (you should be in the android system recovery now)

3) Use vol+/- to scroll down to "apply update from cache"

4) Now select "system_update/"

5) Then select "update.zip"

6) Now allow android system recovery finish the installation

7) After installation, reboot your phone by clicking" reboot system now "

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