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"An update is required to activate your iPhone"

Can anyone help with this issue?

"No Service"


"Unable to Activate"


"An update is required to activate your iPhone."


I've tried all sorts of updates, restores, Recovery Mode, DFU mode and no luck. I contacted our service provider (AT&T) and they said this is not an issue on their end- they even tried a new sim card. We purchased the phone in December of 2016...it's not even paid off yet! I went through Apple Support and they wanted $300 to fix it. Hoping for an easier and more affordable solution. This may be our last iphone!

iPhone 7

Posted on Nov 26, 2018 7:31 AM

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Question marked as Top-ranking reply

Posted on Mar 4, 2019 9:59 AM

I did fixed it... Ic replacement is required. Power management ic of baseband ic should be replaced with new one.you need hot air gun and pmd 9645 ic for Qualcomm modem or pmb6826 ic for Intel modem. If you check it carefully you can find the name in the motherboard which modem your motherboard based on.

24 replies
Question marked as Top-ranking reply

Mar 4, 2019 9:59 AM in response to amith92

I did fixed it... Ic replacement is required. Power management ic of baseband ic should be replaced with new one.you need hot air gun and pmd 9645 ic for Qualcomm modem or pmb6826 ic for Intel modem. If you check it carefully you can find the name in the motherboard which modem your motherboard based on.

Mar 18, 2019 4:33 AM in response to NizzaJhan

Try to reball the baseband ic. Maybe it will work. The pmic replacement was done in iphone 7 later models. Above models of iphone this issue will be cleared by Baseband ic reball enough i think. Try it. Try it in your own risk. Without baseband ic, still the phone will boot. So don't worry about it.. If you sucessfully and place it. Network will show up. Is the imei no showing up in first page when clicking the (i) button?or try to find a new motherboard, iphone 5s logic board is cheap. You can find online. Have a nice day

"An update is required to activate your iPhone"

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