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The update to iOS 10.3.4 on my phone stopped it from booting after a few nights from install date. I had to iOS System Restore to 10.3.3 using a ipsw downloaded file from the Google search. How do I use a factory system restore to 10.3.3?
 
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I call BS on this...I get great battery life on my old A1387 4s but after resetting it and ONLY WIFI +3 Apps the thing is SOOO POKEY. I only use it for pomodoras with my ticktick task manager and every single system is disabled which includes iCloud mail message phone everything...

I am currently on 9.2.1 Verizon 4s and suspect this late stage update is to reverse the batterygate malware bc there is absolutely no way this device was so slow 6 years ago.

Like I said, factory reset a few months ago only apps are tick tick and the Bluetooth app to control my decora light switch.
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OMG my iPhone 4s factory reset WiFi only with 2 apps installed for my ticktick pomodoras is such a DOG! I know it's crippled bc it's impossible slow

Maybe the battery needs replacement?
 
I assume my iPad 2 running iOS 6 will still work, just won’t have working GPS anymore?

And my iPhone 5S running 9.3 doesn’t suffer from the rollover issue?
 
Apple assumes that you've updated your 5S to a newer OS that has the rollover fix in it. Yes, the 5S will be affected.
Actually, the 5s, 5c, and later are not affected, regardless of what iOS version you're running. The WTR1605L transceiver chip included in the 5c/5s accounted for the issue from the date they originally shipped. It's only really old GPS chips that need the software patch.
 
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