After the factory reset operation you will be able to use the default configuration of Android 4.2 Jelly Bean system and SONY Xperia Z Ultra C6806 will work faster. Let's use the full power of Qualcomm Snapdragon 800 MSM8974 core by resting the SONY Xperia Z Ultra C6806 and enjoy using the best performance of Li-Ion 3050.0 mAh battery. After the factory reset operation you will be able to use the default configuration of Android 4.3 Jelly Bean system and SONY Xperia T2 Ultra Dual D5322 will work faster. Let's use the full power of Qualcomm Snapdragon 400 MSM8228 core by resting the SONY Xperia T2 Ultra Dual D5322 and enjoy using the best performance of Li-Ion 3000.0 mAh battery. 9. Next press the lightning button, 10. Select Flashmode and confirm with OK button. 11. Select SONY Xperia XA1 phone model and model number of your phone, firmware customization and firmware version the one you've downloaded in step No. 7. 12. Next check userdata , cust-reset everything else must be unchecked. 13. How To Hard Reset Master Factory Reset SONY XPERIA XA1 Ultra Smartphone! Full HD 2017!Intro Designed by Joseph HungOutro Designed by Jason----- .

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