ZTE Racer X850 Smart Touch T3020 hard reset
When your phone is locked tap Emergency call and use dialpad key in *983*987#. Perform a factory reset. All data will be lost!
Hard reset possible with flasing a new ROM img

When your phone frozen, pull the battery up and remove it from the mobile phone, reinsert it, then turn ON your phone.
Reset to Factory Settings
1. Tap MENU icon > Settings > Privacy.2. Tap Factory data reset.
3. Tap Reset phone.
ZTE X850 Racer Smart Touch T3020 hard reset using buttons
Try this. Press and hold VOLUME UP + POWER ON device. This is ftm recovery mode, you need android ZTE driver for pc eg. win 7, XP etc. and ZTE Racer ROM img file.You need to reinstall image firmware then you can do recovery via recovery menu wipe data / factory reset ZTE Racer. You can find img and driver files on the web.
Reset Unlock pattern
