How to Activate Factory Mode in GIGASET GX290 – Hidden Test Tool

More info about GIGASET GX290: https://www.hardreset.info/devices/gigaset/gigaset-gx290/ Are you looking for the best method on how to open and quit factory mode on GIGASET GX290 device? In the attached video we present a few tips on how to use this hidden mode and make a hardware test in GIGASET GX290. Follow the instructions and you will be able to avoid troubles with repairing your GIGASET GX290 device. How to enter factory mode in GIGASET GX290? How to open factory mode in GIGASET GX290? How to use factory mode in GIGASET GX290? How to exit factory mode in GIGASET GX290? How to quit factory mode in GIGASET GX290? 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