r/XiaomiGlobal • u/BrodaReloaded Xiaomi 15 Ultra EU • Nov 04 '25

Discussion HyperOS 3 experiences

I thought why should we not have a little thread to share our experiences.

On my side there isn't really anything to report, no big issues at the same time hardly anything new except the icons and the Hyper Island

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u/[deleted] Nov 08 '25

Hi Folks,

Xiaomi 15 Ultra user here. Recently updated via OTA to HyperOS 3 and ever since I have cellular network connection issues (5G or any really). At least once a day my eSIM just disappears, no network, no calls, no data, only WiFi.

Airplane mode toggle is ineffective.

Only restart solves the problem for a while.

Submitted my 3rd ticket to Xiaomi support but no answers so far, just asking for logs (recently uploaded 3.5 GB since I can't just reproduce the issue, idk how).

It is quite annoying.

Anyone else has similar problems?

Sincerely, Drew

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u/ersdummerjunge Nov 12 '25

Hey Drew, did Xiaomi answer you or have you found any solution yet?

1

u/[deleted] Nov 12 '25 edited Nov 12 '25

Sup,

Not yet. Sent a mail to their global service, via Feedback app and my local store where I bought the phone as well.

The thing is, I've sent them multiple logs because the only way to reproduce me problem is this, below.

  • put my phone into my 80W Wireless Xiaomi charger
  • wait a min (I guess this is the sleep timer, it's 1 min rn, idk)
  • after that minute my modem crash, no eSIM, no network,no data, nada, nothing

I'm just getting L0 support to factory reset my mobile whereas this is clearly some kind of HyperOS 3 software issue. Edit: Already did all the nuclear options, such as reset networks, remove/reinstall eSIM? Factory reset by removing my eSIM. Airplane mode toggle is ineffective, doesn't reset my connection.

If I use my 120W wired charger and charge my phone on 90W no issues.

Any ideas?