How to Open Test Mode in SONY Xperia 1 II – Enter Service Mode

Learn more info about SONY Xperia 1 II: https://www.hardreset.info/devices/sony/sony-xperia-1-ii/ Have you noticed any incompatibility in the work of your smartphone? Would you like to know what is responsible for the malfunction of your device? This is why you should stay with us and watch the video above. We will show you how to enter the test mode and how to navigate it. How to enter Test Mode on SONY Xperia 1 II? How to get to Test Mode on SONY Xperia 1 II? How to open Test Mode on SONY Xperia 1 II? How to use secret codes to test SONY Xperia 1 II? How to use hidden codes on SONY Xperia 1 II? Follow us on Instagram ► https://www.instagram.com/hardreset.info Like us on Facebook ► https://www.facebook.com/hardresetinfo/ Tweet us on Twitter ► https://twitter.com/HardResetI