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[Replied] [Signal/ Connection] No phone signal

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Calab USA Level 1 | All posts
ZenFone2 Bug Report
Model: ZE551ML
Firmware/APP Version: 5.0
Frequency of Occurrence: ?
Rooted: No
APP Name: -
Screenshot: -
Yesterday my Zenfone 2 decided there was no phone signal. Signal on our other phone was great, so I'm not sure what happened.

I have tried a new sim card in both slot 1 and 2 with no change.

All I have in the icon bar are grey bars with the x symbol.

Wifi, Bluetooth are both working fine.

Any suggestion on what I can do to test or fix?
OTHERS Level 5 | All posts
Last edited by Robex on 2018/8/15 21:34

You can try test it in SMMI Test tool (Asus hardware test tool)
Open Asus Calculator app and enter .12345+= that will open the SMMI Test tool.
Choose Single test and look for SIM.
TWN Moderator | All posts
Last edited by Jei_ASUS on 2018/8/16 13:56

Hi Calab,

Please kindly try the methods provided in: and check if the issue persists.
Thank you!

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