Ditto here.
Update downloaded sucessfully...
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An update is ready to be downloaded
Windows Phone 8.1 - This update fixes a critical issue that may cause your device to periodically reboot. Please install it now so that your phone will keep working as intended.
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.....and tried to install
- 'Preparing to install' progress to 72%...pauses awhile...advances to 78% pauses...finally to 100%
- offers to 'install'....+ ...message indicating that there would be an auto install on the 6/19 if not installed now....
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An update will be installed at 3:00AM on 6/192015. You can set a preferred time, or tap 'install' now.
This should take 5 to 10 minutes, but could take longer. You won't be able to use your phone while then update installs.
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- phone restarts...HTC...Verizon.... gears....restart...HTC....Verizon....Windows....lockscreen....
....fails with error(0x80188308)
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Can't update phone
It's probably a temporary problem. Try again, go to Settings > Phone update (0x80188308)
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Checked update status....
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Sorry, but we are having trouble updating your phone. Please try again in a little while (80188308)
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'Learn more' link had no specific info relating to the error code #.
Tried 3 times also. Tried a 4th time w/cellular data off to be sure it was going thru WiFi, also had it plugged in. Should have enough space on phone so that's not it. Failed again, same process.
Guess I'll try again later.