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I sent my i9506 off for repair and the seller (not Samsung) replaced the motherboard under warranty. It all looked good, expect for network drop outs that I am still trying to resolve, but I noticed the IMEI and serial number have changed. OK, they changed the motherboard, so I understand that, but when I put the IMEI into www.imei.info it says the phone is a Wingfone W9300 not a Samsung i9506. Huh? The hardware looks fine, all tests say it is an i9506, antutu performance is great, etc, but is there something fishy with the IMEI that I should know about?
Yeah. The seller cloned the IMEI from a dead phone and put it on your device. Needless to say, not legal, even if the device they cloned the IMEI from was dead.
Every motherboard have it own imei and serial number.
So when u replaced your motherboard your imei has changed to the new one
Sent from my SM-G900F using XDA Free mobile app
If that were the case then the new IMEI would report as a Samsung phone. The new IMEI isn't from a Samsung phone, meaning the repair tech cloned an IMEI from a defunct phone.
OK, but the thing I don't get is why clone another IMEI? I assume the new motherboard is genuine, probably secondhand. It certainly looks and performs like the real deal, or is it a knock-off, and are there high spec knockoffs of flagship phones? It might be stolen, but this is a grey import phone from a big Hong Kong electronics retailer. They do the repairs and probably have a lot of used stock and parts lying around. If they are illegally trying to cover something up, why clone an IMEI from a non-Samsung phone? Why not just use a Samsung IMEI, or even use the original IMEI from my phone, which is what Samsung repair does when they replace a board.
The phone does have problems though. At first it all looked good, but it drops the network irregularly, and has trouble keeping a steady cell signal. I'm sending it back again.
No follow up? OK, here's my theory. Samsung repairs millions of their phones and whenever anything can't easily be fixed they replace the motherboard. Unit cost of a motherboard is way cheaper than labour in most countries, so just pull out the old one, whack in a new. But where do the old ones go? The crusher you would hope, but maybe they onsell them to another company like Wingfone, whose IMEI shows up in my replacement motherboard. Wingfone tests and repairs motherboards and on-sell them to other repairers, or perhaps for Chinese knockoff phones.
That's a good IT story, if it is true.
Weird title, isn't it? Thing is I am a bricked device sufferer. And I couldn't repair it in my country cause it has motherboard problem. See I am seeing still some new users are getting motherboard problem out of nowhere. There has been an unofficial news that some devices manufactured before September 2015 are having motherboard problem. So only solution is replacing the motherboard. I didn't know this info before buying a new G4.
As a root enthusiast, I would definitely unlock my bootloader by now. But I cannot do that as it will void my warrenty if anything goes south again. U can already find many unlocked bootloader owners are having motherboard issue (even recognised developer S3V3N also), so obviously they cannot claim warrenty anymore. This is a painful feeling that when or whether my device will have motherboard problem again.
LG isn't saying anything officially why this problem is arising. There must be a specific motherboard batch that is having the bootloop issue and LG must know it. If LG were a good company who think about their consumers, not only profits, they would already publish a list of IMEI of those devices or at least give some ideas how to identify which devices may have the issue. Right now it's completely uncertain if my new device will ever get bootloop issue and if so, when???? I wish my phone would get into bootloop now since I am having locked bootloader, so that I could replace the motherboard and then use my phone free of tension the way I want.
I don't know if you guys understand my pain, but it's a matter of humanity. Not everyone is capable enough to buy a new phone twice or thrice a year, right?
Sent from my LG-H815 using Tapatalk
If you haven't voided your warranty then send it back and get a replacement. If you have voided the warranty, then that is surely the risk you take when deciding to root etc?
I didn't root or do anything to my phones if I couldn't afford to buy a replacement right away. Perhaps you should also err on the side of caution.
mgolder said:
If you haven't voided your warranty then send it back and get a replacement. If you have voided the warranty, then that is surely the risk you take when deciding to root etc?
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hey man, try to understand the point. breaking yr screen is one thing, getting yr phone soaked in water is one thing, but getting faulty motherland in a almost new device is totally unpredictable and uncool and should not be. a brand new device should not have such a major issue. but as it persists, being a leading OEM, LG should acknowledge it publicly or help people find out a solution. that's what I meant. suppose if I would know that my device has already a faulty motherboard inside which is prone to cause trouble, I could go now and ask for a replacement. That would be convenient, isn't it?
lurker316 said:
I didn't root or do anything to my phones if I couldn't afford to buy a replacement right away. Perhaps you should also err on the side of caution.
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Sent from my LG-H815 using Tapatalk
But the fact remains that if the phone is as it left the factory, and was bought brand new from a retailer, then you are entitled to a repair or exchange. So just do that.
Sent from my PLK-L01 using Tapatalk
See, LG has stated that they cannot maintain the full scope of the warranty. If the motherboard is shot, and it has nothing to do with what software you've installed, why would LG not honor the warranty?
You are correct in some units being defective before the September builds. Sprint has listed a recall with their technicians and T-Mobile has been replacing bootlooping devices no questions asked. The way to determine the date of manufacture of your device is in the first 3 numbers of the serial number. The first number would be the year, so a 5 means 2015. The next 2 numbers are the month. So 09 would be September.
Do units made after May 2015 show HW rev other than 1.0?
Doug B.
KennyG123 said:
You are correct in some units being defective before the September builds. Sprint has listed a recall with their technicians and T-Mobile has been replacing bootlooping devices no questions asked. The way to determine the date of manufacture of your device is in the first 3 numbers of the serial number. The first number would be the year, so a 5 means 2015. The next 2 numbers are the month. So 09 would be September.
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So an s/n starting with 509 would be safe than?^^
Darkmasterhk said:
So an s/n starting with 509 would be safe than?^^
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That is what it sounds like as Sprint was told "before September"
Does that only count for US devices or are devices globally affected? I have 507 on a H815-EUR in Germany.
nitrous² said:
Does that only count for US devices or are devices globally affected? I have 507 on a H815-EUR in Germany.
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Mine was bought in Germany and starts with identical serial number.
Already motherboard replaced....
chaki- said:
Mine was bought in Germany and starts with identical serial number.
Already motherboard replaced....
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Yeah, but why has yours been replaced? Had it have the listed symptoms? Mine doesn't.
THX for this post - H815 EU (bought in Slovakia) already at seller and waiting how they will deal with that - Also similar problems appeared in Poland (developer S3V3N from here), another thread in troubleshooting section started by some Thailand and Israeli users.
nitrous² said:
Yeah, but why has yours been replaced? Had it have the listed symptoms? Mine doesn't.
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Mine has started to restart itself outta nowhere. But before that i had installed the z cpu app and strangely it showed that the processor its clocked at 1.2 ghz...
After the bootloop started it couldn't been stopped till the battery died. It got crazy hot of course.
Tried to charge it. It did charge a bit then stopped charging either. And it was officially dead?.
Send it for repair.
After two weeks i got it back. On the repair report was stated that motherboard was unable to repair so they put new one. And a new usb port too.
nitrous² said:
Does that only count for US devices or are devices globally affected? I have 507 on a H815-EUR in Germany.
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It is global and effects a small percentage of the ones made before September.
Samsung had similar probs 3 years ago with the s3 sudden death bug that was a faulty emmc controller chip literally thousands had their motherboards replaced, plug it in at night wake up dead phone mine worked fine for 11 months then just died
Sent from my LG-H815 using Tapatalk
Everyday new users are facing bootloop problem. All having serial no 505....... But most of the devices were made on that batch.. I am getting frustrated. Exactly feeling like the Thread Title. I wish I could go to LG & change my current device to a new one.....
Sent from my LG-H815 using Tapatalk
KennyG123 said:
You are correct in some units being defective before the September builds. Sprint has listed a recall with their technicians and T-Mobile has been replacing bootlooping devices no questions asked. The way to determine the date of manufacture of your device is in the first 3 numbers of the serial number. The first number would be the year, so a 5 means 2015. The next 2 numbers are the month. So 09 would be September.
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this is just the piece of enlightenment we all need. many peeps in my region speculate if the bootloop are software related or heat related
Are there an Vs986 (Verizon) confirmed faulty motherboards?
So I have an sm n910t tmobile variant qualcomm snap dragon 805, I had issues with rebooting but updating to the latest android fixed it, now I have an issue where if I leave the charger plugged in it causes the phone to freeze and reboot
I forgot to mention this happens if I let the phone go into sleep mode.
No one? I know a lot of note 4 snapdragon variants experience this if I go on ebay,there are so many note 4 being sold cheap saying that the phone reboots constantly/stuck in bootloop which is essentially how my problem started
Have you tried performing a hard factory reset on your device? That should fix your problem. If it doesn't then I recommend reinstalling the stock firmware back onto your device again.
Yes I hard reset flashed stock Roms custom Roms everything nothing worked my phone died on Saturday, before it died it wouldn't boot into recovery or download it showed ddi mmc read failure and would not flash trough Odin either, now it does not turn on or charge I have an external charger so batteries are full and nothing I guess my emmc is dead
Yeah, the internal flash memory of your device has died and you need to get the motherboard replaced. That happened to me once too and I had to get a replacement unit.
Why would I need a new motherboard? I can replace just the emmc but I have a question I found the emmc chips but it has the smn910p/f and n9100 firmware preinstalled couldn't find any for the T-Mobile variant the phone worked good when it did boot up only problem I had was it rebooting often and system getting corrupt and when it did reboot it wouldn't charge or turn on unless I removed the battery, because if I charged it while it was off it charged perfectly fine without freezing or bootlooping
Anyways my question is if I buy the chip replace it and reflash the stock T-Mobile firmware and T-Mobile pit which I have already would it work? Or will I have to pull one off of a tmobile phone, I repaired bios chips etc that need to be soldered on I know the emmc has a lot of contacts but you can use a heat gun with a small concentrated heat area to remove it and put a new one
DarkGuyver said:
Yeah, the internal flash memory of your device has died and you need to get the motherboard replaced. That happened to me once too and I had to get a replacement unit.
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Where did you get the motherboard by the way I don't trust eBay probably end up with a bad imei or how much does Samsung charge for such a repair
Cr1z619 said:
Where did you get the motherboard by the way I don't trust eBay probably end up with a bad imei or how much does Samsung charge for such a repair
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I mailed my unit back to the retailer to get it repaired. But it took months for them to get the parts for it, so I ended up getting a depreciated refund and got a new unit from them. I haven't been able to find a online retailer that sells the motherboard for the N910C and I did do allot of searching to try to find a retailer. If your device is still within the 1 year warranty then you could mail it to the retailer for repairs. Otherwise I'd recommending getting a new unit as it's much cheaper than mailing your unit to Samsung for repairs.
Sadly I bought this phone when it first came out I'm very pissed I have had many galaxies never had any issues, this phone is almost 2 years old got it in November of 2014
Im going to give them a call see how much it would cost to fix
hello all , just got a used Note 4 , but i noticed that it doesn't want to be registered on any network , i checked imei and it was a number that begins with 3 , checked it on imei checker and found it's a waaay different phone , so i turned phone off , looked under battery , and whoa !! a different imei that begins with 3 as well .. im sure that this thing is the reason of no networks getting changed , but i don't know anything about fixing it .. what should i do?
note4 is known for issue with emmc so most likely in your case the motherboard has been replaced thus difference in imei. regarding not registering to any network, in some countries stolen phones are banned from network based on imei. do in worst case u have refurbished phone repaired using parts from stolen unit.
dzebrys said:
note4 is known for issue with emmc so most likely in your case the motherboard has been replaced thus difference in imei. regarding not registering to any network, in some countries stolen phones are banned from network based on imei. do in worst case u have refurbished phone repaired using parts from stolen unit.
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i would of considered that , but the imei check shows a philips older device with that imei that currently installed on the phone , it's very weird , anyways exchanged it with another device which seem to have problem saying that sd card is corrupted while its working very well at anywhere else :S idk why im unlucky with note 4
Hello guys, I just bought a used Galaxy S7 edge and when I installed phone info app, the build date is 01/2017 but the imei says its 06/2016, and it's telling me my phone is fake because imei doesn't match build date. I know that it's not fake tho. What's the reason behind this please? Thanks.
It means that the original build date is 06/2016, but the phone has manufactury refurbished on 01/2017. So it's not really a new phone but a refurbished one.
escaper215 said:
It means that the original build date is 06/2016, but the phone has manufactury refurbished on 01/2017. So it's not really a new phone but a refurbished one.
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Thanks for the clarification, I know its not a new phone but that got me worried since phone info said my phone is fake, so refurbished phone means it had some hardware issue and was sent back to conpany for repair, right?
Yes, could be hardware issue. But I have a refurbished phone as well, and before I bought it, it was sent back to the service by the original owner to change some components within warranty cover.