User manual

59
Battery with poor contact Assemble the battery again or clean the contact
points of the battery
SIM card fault Check or replace SIM card
Insufficient
standby time
Low Battery performance Replace battery
Poor contact Check contact conditions, replace socket or plug
Battery voltage is too low Charge it half an hour first, and then unplug to
charge the battery again
Battery fault Replace battery
Charger Model Error Replace suitable charger
Charging Fault
Charger broken Replace or repair the charger
SIM card failure Check or replace SIM card
Dialling error Redial
Conversation
failure
Fee limits Contact with the operator
Invalid key
operation
Accidental interference Take out the battery and assemble it after 1 minute