Windows 10 Mobile build 14936 fixes SIM card, PIN issues and more

Ivan Jenic By: Ivan Jenic
2 minute read

Windows 10 Mobile build 14926 brought some serious SIM card and PIN pad problems that affected thousands of devices. Namely, many Windows Insiders couldn’t enter their PIN codes and use the SIM card on their devices.

These problems were so serious that they forced Microsoft to skip one build for Windows 10 Mobile Insiders, until the issue was solved. As a result, build 14931 was released to Windows 10 PCs only. That’s something we don’t see very often, because new builds are constantly released, despite various problems. But the SIM card and PIN issues was something different.

However, after skipping build 14931 for Windows 10 Mobile, Microsoft finally addressed these issues in its latest build. In the build 14936 announcement post, Dona Sarkar confirmed the issue was solved and Windows 10 Mobile Insiders can now install the new release.

Besides these hot problems, Microsoft also addressed some ‘less serious’ issues in Windows 10 Mobile build 14936. Here’s the complete list of improvements:

  • “We fixed the issue causing the pin pad to not be visible to unlock the phone even after rebooting the phone.
  • We fixed the issue where some phones lose the ability to use their SIM cards.
  • We fixed the mobile hotspot issue where it works the first time but subsequent attempts to use the feature won’t work until the phone is rebooted.
  • We fixed an issue causing some devices such as the Lumia 650 from failing to install a new build with Error 0x80188308.
  • We fixed the issue causing some build updates to fail with an 800703ed error code.
  • We fixed the issue where Action Center no longer closes if you swipe up on the empty space (area of Action Center that doesn’t show any notifications).
  • We fixed an issue where notifications were unexpectedly showing the app logo within the notification when viewed in Action Center.
  • We fixed an issue for devices that shipped with Windows Phone 8.1, such as the Lumia 930 and 1520, where if you plugged in a headset during an ongoing call, the audio would not be routed to the headset”

However, even though Microsoft said all these issues have been fixed, we’re sure new problems will eventually occur, but we’ll keep you updated on them.

Have you installed the latest Windows 10 Mobile build? Are the SIM card and PIN pad issues now solved? Let us know in the comment section below.


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