How to remove screen pattern lock on china mobile samsung copy gt-i9500 without box.
Here we can easily remove pattern lock on samsung gt-i9500 with simple steps.First confirm that mobile battery charged 90%, if battery is low then charged it.

Note: Take backup of your important data contacts, messages, on sd card or computer to further use.
Lets start the procedure, power off the mobile then press and hold volume up+ home and power key together, after 5 seconds released power key only.Select Wipe Data To Factory Data with volume down key and press volume up to enter then reboot mobile.Set time and date settings and we have done this easily.

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