Hard Reset
ZTT P131
ZTT P168
ZTT T300
ZTT P7600
ZTT T200
ZTT TP100
ZTT 7300
ZTT P6100
ZTT P7200+
ZTT T288
ZTT P007
ZTT P263
ZTT P563
ZTT P663
ZTT P7200
ZTT P7200 phone 1
ZTT P8100
ZTT Q500
ZTT Q700
ZTT S283
ZTT S300
ZTT T100
ZTT T400
ZTT V1
ZTT F139
ZTT P138
ZTT S801
ZTT T288+
ZTT W320
ZTT 636
ZTT 7500
ZTT H738B
ZTT P363
ZTT P701
ZTT P7400
ZTT P7500
ZTT W398B
ZTT ZTC163
ZTT V3
ZTT V919