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Phone died. What are chances of getting a backup

My daughters iPhone 7 died this week. She said it suddenly started re-booting, got hot at one point then started and worked, only to die and refuse to restart. I took it to ubreakifix. They plugged it in and saw that it was charging, but not starting. They immediately went to “screen replacement”. Strange, but OK. They called me to say they couldn’t get it running and even tried a different battery. One other observation is that they volume up button seemed stuck. They said they wouldn’t repair. I opened phone (have been doing iPhone rebuilds on all our phones for years). No liquid damage. I pulled all connectors (tried with/without screen) in hopes of getting it running to do backup. Wouldn’t make USB connection. Did volume down button, power button hold.

Based on the symptoms is there any reasonable hope of getting it running to grab a backup? I could find a donor 7 and just try a MB swap to eliminate everything else in the frame that might be causing it to not start. I have a backup from June, so I will likely just use that on the replacement, but it would be nice to get some stuff back. Rossman Group data recovery starts at 300 bucks. Not worth it in my situation.

The rebooting and “HOT” makes me think the MB might have bit the dust.

Suggestions? Thanks.

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I already tried removing as many connectors as possible, leaving battery and 1-2 others just to try and get itunes to see it. No luck. I think it’s MB related.

I had not gone the cloud backup route since all of our iphones would be way over the 5gb limit. I guess I could not backup photos as that seems to be the big one. I did turn on contact backup on my wife’s phone since this happened, but I guess I have to go back and re-evaluate what I can get up to the cloud. Figures, right when I fall down on physical backup for a few months it dies.

She can live with a 6 month old backup. At least all the apps & contacts will come back. She’ll be missing some pictures & Maybe a few contacts. Really not worth investing a lot of money trying to repair or resurrect just to grab a backup. Time to move on.

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If you wanted to recover your data from the motherboard currently in the phone, you would have to start swapping small smd components and/or BGA chips(which you need an SMD rework station to get off). Have you dealt with swapping small BGA chips before?

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Do we think it's probably dead MB that would require SMD swapping? I'm not willing to go that far. Was really wondering if it's possible that some non MB related component could be preventing it from starting up and swapping just MB into another 7 might allow it to boot to get backup. If MB is fried then I just go to June Backup and she goes from there. At least all apps, contacts from that date will be restored. I can barely manage iphone screws much less BGA work. Hoofa!!! I know between Louis or that lady up north someone could get data, but just not cost effective. I've watched the videos for years.

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@polojh Your data is stored in the motherboard, so swapping motherboards would result in a loss of data for anything stored only on the phone. You could try replacing the home button, camera or power/volume button flex cable, but I don't think any of these are faulty.

If you have another iPhone 7, I would try swapping the motherboard into the other iPhone 7.

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What I was proposing was to swap MB that has data into a donor 7 to see if I could get it to boot to do a backup. Based on symptoms, I'm trying to figure out if it's even worth trying. I don't know enough about iphone to determine whether rebooting, getting hot etc is symptomatic of MB or possibly other components.

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@polojh You can even just pull all of the connectors except for really basic stuff and see if it will boot. Basic stuff like the lightning dock, battery and display. If it's still boot looping in this state, more than likely its the board. Especially if the previous repair folks tried display and battery already.

The fact that she said it got really hot is already making me think the board because heat and then failure often = short circuit. The iPhone 7 is prone to a few board related boot loop issues. And honestly, my inclination is that this is a logic board job either way. Doesn't mean you can't get data. But it might mean you need to get it to somebody who has the right experience and tools to get the job done.

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Hello polojh,

no, all wrong and in the wrong order. Incompetent repair shops always start the repair with screen replacement and battery. I understand that not everyone can dig deeper into the subject. All the symptoms you describe suggest that due to the increased current frequency, one of the holding capacitors in the logic circuits has died shorting to ground (signal -) and is effectively blocking the entire startup process. This is called a ground fault and requires the intervention of an electronician - such as Louis Rossman or similar. Remove the motherboard from the housing and take (be careful, use a box and electrostatic bag) to a good repair shop. For efficient electronic repairman, finding a grounded circuit costs max 5 minutes of work. No testing, no repairing, no smarting ... just order short circuit find and elimination. Logic board will boot normally, you will have time to make the backup and / or log out of the phone. Of course, the removed component should be supplemented (it cost of money)if you intend to use this phone. Otherwise, sell for parts, they still hold the price.

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polojh wird auf ewig dankbar sein.
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