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

[ibrahimfarism]

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.
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[Christine_ASUS]

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: https://www.asus.com/support/FAQ/1005163/
Thank you.

[susanta462439da]

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

[hermawangus5]

Kapan update pie

[kcrkindia]

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