Check out the alternative method of Hard Reset operation called master reset. By using our tutorial you can perform a master reset of NOKIA 6638 in just a few steps. Follow our instructions to delete all data from NOKIA 6638.
After the factory reset operation you will be able to use the default configuration of Symbian 8.0 system and NOKIA 6638 will work faster. Let's use the full power of ARM 10 core by resting the NOKIA 6638 and enjoy using the best performance of Li-Ion 900.0 mAh battery.