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ZTE S550 User Manual
Lock/Unlock Your Phone
1. Lock the phone: Press and release the On/Off Key at the top of the handset to engage the key lock.
2. Unlock the phone: Tap and slide the lock symbol downwards to match the one at the down to unlock.
Notes:
If a call comes in when the keypad is locked, you can press the Call Key to answer it. When the call is
ended or rejected, the keypad locks automatically.
When the keypad lock is on, calls might still be possible to the emergency number.
Confidential and Proprietary Information of ZTE CORPORATION 7
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