ZTE AXON 7 Guide De Démarrage Rapide page 12

2. Connect the charger to a standard AC
power outlet.
3. Disconnect the charger when the battery
is fully charged.
NOTE:
If the battery is extremely low, you may

be unable to power on the phone even
when it is being charged. In this case, try
again after charging the phone for at least
30 minutes. Contact customer service if
you still cannot power on the phone after
prolonged charging.
The battery is not removable and do not

remove the rear cover please.
Press and hold the Power key for about

10 seconds to force the mobile phone
restart.
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