Mobile Data Keeps Dropping on Zenfone 8 After Roaming

[madra29]

I’m having an issue with my ASUS Zenfone 8 where mobile data keeps disconnecting and reconnecting every 10–30 seconds after returning from a holiday in Spain. The signal stays up, and there's no SIM card error (I tested it with an older Samsung Galaxy A3 2017), but data keeps dropping intermittently.

What I’ve Tried:
SIM works fine in another phone.

Disabled roaming settings.

Reset APN settings to default.

Tried manual network selection and switching back to automatic.

Reset all network settings (Wi-Fi, mobile, Bluetooth).

The problem started after roaming in Spain and coming back to Germany. It persists even with a strong mobile data signal. I haven’t yet done a factory reset, but I’m considering it as a last resort.

Has anyone faced this issue or found a solution without doing a full reset? Any advice is appreciated! 🙂

[CamilaCormier]

That sounds super frustrating, especially after your trip. Since you've already tried a lot of things, before going for a factory reset, you might want to try a couple of other things. Maybe try a different SIM card just to be sure it's not something weird with the card itself. Also, check if there are any software updates available—sometimes that can fix bugs like this. You could also try toggling airplane mode on and off to reset the connection. Hopefully, one of these works and saves you from having to do a full reset!
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[buddhirangana20]

If your Zenfone 8 keeps dropping mobile data after roaming, you’re not alone. Many users face this issue, especially after returning from international travel. First, make sure your phone’s software is up to date. Go to Settings > System > System update and install any available updates.

Try toggling Airplane Mode on and off. This can refresh your network connection and sometimes fixes the issue. You should also consider removing your SIM card and reinserting it, or testing with a different SIM to see if the problem is related to the card itself.

Resetting your APN settings can help. Go to Settings > Network & Internet > Mobile Network > Access Point Names, and reset to default. If you’re still having trouble, manually select your network operator instead of leaving it on automatic.

If nothing works, a factory reset might be necessary, but remember to back up your data first. For persistent problems, it’s a good idea to contact ASUS support.

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