1. Root via above post
2. Install root explorer
3. Open root explorer
4. Go to system/etc click on the line Mount R / W in the top right
5. Set value 'true' to 'false'
6. Open featureset.xml keep on file select Open in Text Editor
7. Go to line 80 <imtem name="max_user_data_bytes_ex"> </ item> changed to 1000
8. Save & Exit
9. restart.
I am using LG optimus Lte2 but i am not able to use the gprs or 3G/4G. I have entered the setting of my operator in the settings>mobile networks>access point. But still i am not able to use the gprs.
Thankyou