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What you need to know
- After updating to One UI 9, a Korean user states they’ve encountered a critical setup bug.
- The user is unable to view their lock screen or home screen with this bug, but Samsung was quick to respond.
- They were encouraged to update their browser and to connect to Wi-Fi, not their cellular service.
The last thing anyone wants is a software bug that completely kneecaps their device. Unfortunately, that’s exactly what some Galaxy S26 Ultra users are experiencing.
A user on Samsung’s Korean forums says their Galaxy S26 Ultra is experiencing a critical error after updating to One UI 9 (via SammyFans). They state in their report (machine-translated), “Since the UI 9.0 update, this keeps appearing on my phone screen. The screen is black and the home screen isn’t appearing either.” What they’re referring to is an error message that reads, “The webpage is unavailable… for the following reasons.”
As the user states, they’re unable to get past this startup screen after downloading Samsung’s major Android OS upgrade. The only good news is that Samsung was quick to respond to their report. According to Samsung, “The development team has confirmed that this issue occurs when using an unstable system WebView on certain networks. We kindly ask that you follow the troubleshooting guide below.”
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The company suggests updating your browser, such as Google Chrome. It also recommends switching to a Wi-Fi network, not your phone’s cell service. Once that’s done, users can try logging into their Samsung Account as normal.
There’s a chance this bug could get fixed in a future software update, but Samsung hasn’t confirmed that yet.
Not a good look
This problem seems quite specific. Right now, it’s unclear how widespread the problem is. However, One UI 9 hasn’t been all roses for Galaxy users. Users on Reddit reported an “XML Access Denied error” almost two weeks ago (via Android Police). This error reportedly froze users’ devices, which seems to have impacted the Galaxy S26 Ultra, Galaxy S24, and others.
One user had to remove their SIM card in order to proceed, while another found relief by booting in safe mode with their Wi-Fi connection off.
These issues are frustrating, considering how long users have waited for Samsung’s Android 17 update. We’ve been met with nothing but delays; however, in late September, the Galaxy S26 series finally got it in the U.S. T-Mobile customers reportedly got it first with a 4GB download. Shortly after, others received it for their respective carriers (or unlocked version).
Over the past few weeks, the update has rolled out for several budget phones, the Galaxy S25, and S24 series.
Android Central’s Take
I’ve seen similar frustrations amongst users online when it comes to problems with Samsung’s updates. We wait so long for them, go through delays, and then there’s a major bug like this. It often makes one wonder about Samsung’s quality control or what’s going on with these delays. You’d think some delays were to squash these critical issues, but then they happen anyway.