I am unable to share my mobile internet connection via Wifi hotspot or USB tethering to a laptop. When enabling the Wifi hotspot, the laptop connects to the Wifi just fine, but whenever I try to access a website on the laptop it ends in an error; on the phone it works fine. Same issue with USB tethering: The laptop connects just fine, but internet itself isn't shared.

Now I've isolated the issue as coming from the phone itself:

  • internet works fine on the Sony Xperia SP
  • same SIM card on a different phone: sharing internet connection works fine (the type from the phone company was adamant they can't block this from their side)
  • connecting phone to home Wifi and sharing that internet connection via USB tethering to a laptop works fine
  • using a different SIM card on the Xperia SP and I still can't share the mobile internet connection

The only thing that comes out of it is that for some reason the Xperia SP somehow is incorrectly configured and doesn't share mobile internet access via Wifi/USB.

Which settings should I check on the Xperia SP to ensure that sharing mobile internet connection works?

  • Please check whether `Android System' is permitted to use Mobile Data or wifi.(goto settings > app check in system apps) – Rahul Gopi Nov 3 '16 at 5:13
  • @RahulGopi The permissions that I see for Android System and that seem relevant are: change network connectivity, connect and disconnect from Wi-Fi, full network access, view network connections, view Wi-Fi connections. Seems to me like it is permitted to use Mobile Data or Wi-Fi... – landroni Nov 3 '16 at 6:37

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