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My Asus Zenfone 3 max mobile signal disappeared after updating to Android Oreo, please help....

Star I
Please tell us some basic information before asking for help:
Model Name: Asus Zenfone 3 Max ZC520TL
Firmware Version: 15.11.1810.14
Rooted or not: Not
Frequency of Occurrence: it"s been around one week
APP Name & APP Version (If your issue relates to the app): There is no
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.


Community Legend II
Hi ibrahimfarism,
Sincerely apologize for any inconvenience caused.
1. Please try resetting your network settings: (Settings > System > Advanced > Reset options > Reset Wi-Fi, mobile & Bluetooth)
2. Please try with SIM cards by different carrier and check if the problem remains./Please try putting your SIM card into different phones and check if it can work normally.
3. Please tell us your preferred network settings. (ex: 2G/3G/4G or 4G only)
4. Please tell us your carrier name, whether VOLTE is enabled.
5. Please try in safe mode:
Thank you.

Asus 3 max zc553kl has same problem how can I fix it??? After updated to Oreo it doesn't work on LTE mode/4g only

Star I
Kapan update pie

Star I
ZenFone laser 3 have no signal indore/room while same in other phone showing network ,have any software /technical update plz suggest