Try to install using iTunes by recovery mode.
If you can't update or restore your iPhone, iPad, or iPod touch - Apple Support
Apple Event: May 7th at 7 am PT
Try to install using iTunes by recovery mode.
If you can't update or restore your iPhone, iPad, or iPod touch - Apple Support
Try to install using iTunes by recovery mode.
If you can't update or restore your iPhone, iPad, or iPod touch - Apple Support
when i go for updating my iphone6 ios12 then i click on download softwear its start downloading and stuck on any estimated time for long time i have try for 50 mints but its stop at same estimated time.i have strong net connection .what to do plz he