Asus ZenFone 9 random reboot persists after Android 13 update

Asus ZenFone 9 random reboot persists after Android 13 update

Asus recently launched its latest flagship smartphone, the ‘ZenFone 9’. The phone may be smaller in size than its predecessors, but it improves performance thanks to its fast processor.

Compact and easy to handle, the flagship phone is also equipped with some advanced features, such as Snapdragon 8+ Gen 1 SOC, 6-16GB of RAM, a side-mounted fingerprint sensor and support for fast charging.

These features make ZenFone 9 stand out in its league.


Despite these powerful specifications, users face several issues with mobile devices. Several users are already complaining about an issue where they encounter random reboot issues during the day.

Asus ZenFone 9 random reboot issue with Android 13

According to reports (1,2,3,4,5), several ZenFone 9 owners are reporting an issue where the phone will reboot at random times, hindering one’s work.

The problem is said to have started after Asus recently released the Android 13 update for its ZenFone line of devices.

While customers did not face any hiccups in the update process, the problems started after their smartphones were fully updated to the new OS.

One may miss an important call, text message or any work related notification due to this problem, leading to a decrease in productivity of some users.

Apparently, for some, the phone would stop charging after the automatic reboot, even if it was connected to the charger.


I bought Asus ZenFone 9 3 weeks ago, since day 1 I had random reboots. It happened a few times during the day, sometimes during calls, so it’s very annoying. It also happens every night (I don’t charge my phone at night). I understand that it restarts because it asks to enter the password manually.

My phone restarts almost every time I charge at night. At first I thought it was Ultra saver mode that put it in airplane mode, but it also happens with normal saver mode selected. And then the passcode/pin screen says that the passcode must be entered after restarting.

Some Galaxy Note 9 smartphone owners had also experienced such problems in the past, where the main culprit turned out to be a faulty ‘fingerprint sensor’.

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Because of this, some users cannot fully utilize their phones. The general troubleshooting steps such as updating the system apps and restarting or resetting the ZenFone 9 have been tried by many customers but to no avail.

Potential solution

Unfortunately, Asus has yet to officially acknowledge the issue. But we came across some potential solutions that may help solve the problem for some customers.

It is suggested to disable “bedtime” and automatic “do not disturb” mode. Disabling it seems to have solved the problem for some.

Since my reboots mostly happen at night, I’ve disabled Bedtime Mode and Automatic Do Not Disturb Mode. it still didn’t happen again (4 nights passed). I just don’t understand why there are so many issues with the phone at this price tag and Asus isn’t responding to any of them.

Another user on the Asus support forum suggested turning off the “face unlock” feature.

I had similar problem. The face lock is responsible for that.
Try turning it off. Should help.

It seems that certain apps or built-in features are causing some major functional issues with the newly launched mobile devices.

For example, we recently covered a story where disabling some of the Pixel 7 smartphone’s features solved major problems with it.

This boils down to the fact that manufacturers need to be more vigilant and carefully test their apps and device compatibility before releasing them for use by the general public.

Customers can also have the motherboard replaced with the help of a technician at an authorized service center in their locality. This process can take some time, so it is recommended that you keep an alternative phone ready for your daily tasks.

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motherboard replacement

It must also be noted that data stored in the phone’s internal memory will not be recoverable once the phone’s motherboard has been replaced.

So it is recommended to backup your important data before proceeding with the motherboard or phone.

That said, we will keep an eye on the issue where Asus ZenFone 9 owners encounter the random reboot issue after updating to Android 13 and update this article accordingly.

While we wait for an official answer on the cause of this issue, share your thoughts in the comments below.

Note: We have more such stories in our dedicated Asus section, so be sure to follow them as well.

Featured image source: Asus ZenFone 9.

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