iFixit - Answers With Device "iPhone 8"

iPhone 8: iPhone 7 screen on iPhone 8?

Tue, 20 Apr 2021 07:42:29 -0700

So, I own a repair shop. a customer came in with a broken iphone 8.

I have looked at the iphone 7 screen and the pictures of an iphone 8 screen + the teardown of the iPhone 8.

From my understanding the screens are exactly the same.

Thoughts?

⟐ Comment deleted April 20, 2021 at 7:42 MST

iPhone 8: How can I bypass the locked to owner

Mon, 22 Dec 2025 01:09:39 -0700

My Iphone is locked to owner and the previous owner is not available, is there a way to bypass it?

⟐ Answered December 22, 2025 at 1:09 MST

iPhone 8: Replacing the back glass on iPhone 8/8+

Fri, 29 Jan 2021 11:24:13 -0700

Has anyone done this yet?

All I've seen is that's it's very difficult, and expensive?

From pictures, I gather you don't need to tear the phone down, but endure the very well stuck down glass?

⟐ Answered January 29, 2021 at 11:24 MST

iPhone 8: Hard Reset Not Working

Mon, 04 Apr 2022 01:06:45 -0700

I know on the iPhone 8, you must hit the volume up button, volume down button, then hold the side button until the hard reset begins. I cannot get this to work -it only gives me the option to shut the phone down normally. What should I do? The phone is new and has no other issues.

⟐ Commented April 04, 2022 at 1:06 MST

iPhone 8: True Tone and Autobrightness not working after LCM repair.

Sat, 31 Oct 2020 17:34:39 -0700

OK folks. I asked a similar question and received the usual, "you did not do it right" responses. Here is the issue. When you replace the LCM on an iPhone 8, you lose the True Tone and auto-brightness features. Anyone else know about this or how to fix it?

⟐ Commented October 31, 2020 at 17:34 MST

iPhone 8: Ambient light sensor noto working after repair.

Sun, 12 Mar 2023 11:51:22 -0700

After repairing several iPhone 8 lcms, I am noticing that the ambient light sensor is not working on any of them. Is the sensor tied to the original LCM in some way? If i put the original lcm back on, it works properly. If so, any replacement lcm will not work fully after repair.

⟐ Commented March 12, 2023 at 11:51 MST

iPhone 8: Is iPhone 8 home button replaceable?

Fri, 24 Dec 2021 04:46:54 -0700

Hi, my iphone8 home button is crack, if i replace the home button, will the touch id still work? Already go to the service center, they said i have to exchange the unit.

Thanks

⟐ Commented December 24, 2021 at 4:46 MST

iPhone 8: Can I replace the entire rear housing?

Sat, 07 May 2022 20:21:15 -0700

I broke the rear glass on my iphone 8. It looks really hard to scrape off the glass and replace that part, so I was wondering if I can replace the entire back of the phone? I could just take out all the parts and transfer them, but the wireless charging coil looks like it's near-impossible to remove successfully. Does anyone know where I can purchase a rear housing including the wireless charging coil? Am I even on the right track with this?

Thanks

⟐ Commented May 07, 2022 at 20:21 MST

iPhone 8: iPhone 8 lcd flex compatible with iPhone 7?

Sun, 08 May 2022 15:09:20 -0700

Hi, I have a question: Is the lcd flex cable from the iPhone 7 compatible with the iPhone 8?

⟐ Answered May 08, 2022 at 15:09 MST

iPhone 8: Anyone solved the new iOS iPhone Cellular Update Failed issue?

Sun, 24 Nov 2019 18:28:05 -0700

Has anyone found a solution to the current iOS update failure of Cellular update failed? Apple acknowledges the problem on their support page, but offers no resolution other than to contact apple support. It specifically states to not attempt a restore or a reset , which is the go to for a majority of issues, because this will result in being unable to activate the device.

https://support.apple.com/en-us/HT208733...

Working for a repair center, we already have the annoyance of iPhone 7 acknowledged failures. This just adds to the headache of the newer models, with the latest update in software. Replacement of service antennas and reflows have been attempted, but with no repaired results. I am wondering if this update has triggered a board level failure. Perhaps another update will resolve the issue, but anything anyone has discovered to correct the problem, as is, at this time would be helpful.

⟐ Commented November 24, 2019 at 18:28 MST

iPhone 8: Boot loop on iPhone 8 without home button

Mon, 18 Feb 2019 10:39:18 -0700

Hello everyone, I just have tried to replace my iPhone 8's display, but I got broken the home button flex cable

⟐ Answered February 18, 2019 at 10:39 MST

iPhone 8: Only shows 1% battery after screen replacement

Thu, 05 Jun 2025 01:45:15 -0700

Title says it all. First time seeing this with an 8 or 7. The phone was working fine (as best I know) with the cracked screen and was around 50% battery. After screen repair, the battery percentage stays at 1% (Even with a new battery with full charge). There is no visible damage to any board components. The phone was powered off and the battery was unplugged before unplugging anything else. When plugged in, the phone detects it was plugged in but never shows the charging symbol. The phone pulls up fine in a computer. While plugged in, it seems to reboot pretty often (every couple of minutes). The phone stayed on overnight without issue while unplugged while still only showing 1% battery. The phone also doesn't seem to go into DFU mode. It just reboots every time I try. It will go into recovery mode, but fails a restore with error 9. From recovery and regular mode, the phone will go through the update without issue. This sounds similar to the issue some people had with the 5S after accidentally damaging one of the resistors next to the battery plug, but I wanted to reach out to see if anyone else had seen this issue.

⟐ Answer accepted June 05, 2025 at 1:45 MST

iPhone 8: How do you fix a bent iPhone charger?

Sun, 01 Sep 2024 21:25:43 -0700

So i was sleeping and suddenly i accidentally dropped my phone and it was charging so both fell and i realized my charger is bent. Please help if not my parents are gonna kill me.

here it is. it looks like it’s never going to be fixed :(((

update: i can’t charge my phone

⟐ Answered September 01, 2024 at 21:25 MST

iPhone 8: Battery percentage stuck at 1%

Thu, 11 May 2023 04:43:25 -0700

After replacing the iPhone 8 display, the battery percentage shows 1% and its not charging at all. I tried the following but none fixed the problem:

1) Wireless charger and several different wired chargers with different cables but no chance.

2) I am sure the charging port is fine since iTune recognizes the phone via USB connection.

3) Hard reset didn't help

4) iOS Update didn't (11.3.1)

5) Put the original broken display back on, still not charging.

I was wondering if anyone experienced this problem and found the solution ?

⟐ Commented May 11, 2023 at 4:43 MST

iPhone 8: replacing lcd with aftermarket, resulting in no auto brightness

Mon, 21 Jan 2019 02:18:29 -0700

has anyone had this issues with purchasing an aftermarket LCD, and the auto brightness no longer functions? when returning the front assembly ribbon to the OEM it works just fine, will not work in the new LCD. have tried a few different vendors to no avail. is this a common issue with the iphone 8,8plus and 10 with the newer sw? or potentially the glass?

⟐ Answered January 21, 2019 at 2:18 MST

iPhone 8: Use of silicon sealer for iPhones

Sun, 28 Dec 2025 14:03:45 -0700

Instead of the sealer that's supplied with a replacement battery or screen, has anyone used electronic silicon sealer to reseal the screen to the case because one slips up and ruins the replacement seal?

Seems to me that using a small syringe, something similar to the size used for insulin injections would work. Like bathroom caulking, but on a much smaller scale.

Thanks

⟐ Answered December 28, 2025 at 14:03 MST

iPhone 8: Stuck at restore screen and home button doesn't work.

Tue, 22 Jun 2021 20:33:14 -0700

I am try to get data off an iphone 8. The owner dropped their phone and cracked the home button, afterward the phone just boot-looped. I put the phone in recovery mode and force updated. The update was going smoothly but now I am stuck at a screen that says “press home to recover”. I can’t press home though because the home button doesn’t work. I know you can’t replace the home buttons on these.

Does any one know any way to force a home button press? Could I short to pins on the logicboard or something?

⟐ Commented June 22, 2021 at 20:33 MST

iPhone 8: iPhone 8 back glass replacement

Fri, 29 Jan 2021 11:22:57 -0700

any one have good idea how to remove iphone 8/ 8plus back glass we are looking for tool which help in to remove back glass

thanks

⟐ Commented January 29, 2021 at 11:22 MST

iPhone 8: Why is my iPhone 8 not turning on?

Mon, 18 May 2020 13:54:06 -0700

I really hope someone can help me, I have brought a iPhone 6 does not complete the iTunes restore . After that I try to power up a few times but nothing happens. Even plugged to the charger it show no sign of life. What could it be? Something with battery or motherboard?

⟐ Answered May 18, 2020 at 13:54 MST

iPhone 8: iPhone Exposed to high voltage into charging port, HELP

Thu, 17 Mar 2022 19:54:18 -0700

I lost my power adapter for my iPhone, instead of thinking it through I spontaneously spliced the phone charging cable to a regular 2 pronged electrical cord straight into my outlet. As I connected the cable into the charging port it immediately made a loud popping sound, caused damage to the cables. The iPhone also immediately turned off and wouldn’t power back on when I eventually got a new power block. I opened up the phone, tried replacing the screen which wasn’t the issue, I was able to put it onto another iPhone to check. I tried replacing the battery and no luck. There seems to be some black residue on the Taptic Engine and charging port but was easily wiped off.

My question is what kind of damage am I looking at? Are there any failsafes protecting the rest of the phones components?

I tried charging another iPhones battery and switched it with the one that was inside the phone. No luck.

I don’t have any Meters to check for any current also.

Other than what I stated everything else looked fine including the battery.

Thank you

⟐ Commented March 17, 2022 at 19:54 MST

iFixit - Answers With Device "iPhone 8"

iPhone 8: iPhone 7 screen on iPhone 8?

iPhone 8: How can I bypass the locked to owner

iPhone 8: Replacing the back glass on iPhone 8/8+

iPhone 8: Hard Reset Not Working

iPhone 8: True Tone and Autobrightness not working after LCM repair.

iPhone 8: Ambient light sensor noto working after repair.

iPhone 8: Is iPhone 8 home button replaceable?

iPhone 8: Can I replace the entire rear housing?

iPhone 8: iPhone 8 lcd flex compatible with iPhone 7?

iPhone 8: Anyone solved the new iOS iPhone Cellular Update Failed issue?

iPhone 8: Boot loop on iPhone 8 without home button

iPhone 8: Only shows 1% battery after screen replacement

iPhone 8: How do you fix a bent iPhone charger?

Update (07/16/2019)

Update (07/16/2019)

Update (07/16/2019)

iPhone 8: Battery percentage stuck at 1%

iPhone 8: replacing lcd with aftermarket, resulting in no auto brightness

iPhone 8: Use of silicon sealer for iPhones

iPhone 8: Stuck at restore screen and home button doesn't work.

iPhone 8: iPhone 8 back glass replacement

iPhone 8: Why is my iPhone 8 not turning on?

iPhone 8: iPhone Exposed to high voltage into charging port, HELP