Mate 20 pro not recognising sim - Huawei Mate 20 Pro Questions & Answers

Mate 20 pro not recognising sim.
I did have to change the charging port as that was broken. Since then I've changed the sim card circuit 3 times. Sim card sometimes works for a bit if I take it out and put it back in. But alway keeps failing. Happy to replace any parts but... It is pretty useless as a phone at the moment. Shame because I do love this phone.
Oh also warranty won't be covered because of a crack on the phone. Even though the crack was there months before the sim went...
Someone please help!

@Jaejay91 I'm in exactly the same situation. Did you find a solution or have to get a new phone?

Having the same Problem. Replaced the sim card circuit 2 Times now. After each repair it worked good for 2-4 Months, but then the Same Problem again. Seems to be a Problem on these Phones, could be a Fault in the Power Supply for the SimCard Reader Board. The only Option i have is to buy a new Phone, because a Phone without the Capability of calling someone is useless.

Related

Turning off

I just purchased my HTC Amaze five days ago and it is randomly turning off. It hasn't happened while using it, but it seems like every day now it has turned off while I haven't been using it. I push the lock button to unlock the phone and it is simply off. When I turn it back on everything is fine, but it is getting really old having to turn it back on so often. At first I thought maybe I was holding the lock button too long and accidentally turning it off, but that is not the case and the phone has been sitting on a table most times it has turned off without a case so the button isn't being pressed accidentally. The battery has more than half of the charge left so that shouldn't be the problem either. The phone just has the standard tmobile apps that came with it so that shouldn't be causing a problem.
Is this common? Is there a setting on the phone that turns it off automatically after awhile or at a certain time? If there isn't a setting is there a way for me to fix the phone or is it simply defective? I didn't buy the extra warranty, but I am within the 14 days to return the phone but it says on the box there is a 50 dollar restocking fee.
I bet there would be no function called automatic turn-off on this phone...and personally I have never faced this issue so far, during my half month period of daily use. Even there is a charge (which I never know), I would still suggest go for exchange. Random turn-off may relates to hardware defect, and is difficult to fix through software change. Try another one and hopefully that would take your headache away. Good luck.
today-g said:
I bet there would be no function called automatic turn-off on this phone...and personally I have never faced this issue so far, during my half month period of daily use. Even there is a charge (which I never know), I would still suggest go for exchange. Random turn-off may relates to hardware defect, and is difficult to fix through software change. Try another one and hopefully that would take your headache away. Good luck.
Click to expand...
Click to collapse
Exactly what I think.
OP: If you are within the grace period, you can exchange the phone without restocking fee, especially if your device is defective.
Good luck!
Two other things I thought might be completely unrelated is that whenever I turn the phone on it says no sim card and then recognizes that there is a sim card and gets a signal and starts working immediately after that.
The other thing is that it says new voice mail whenever I turn the phone on, but when I check the voice mail there is none.
I took the sim card and battery out and put them back in. The no sim card message on start up is gone for now at least. The odd thing I noticed when I put the sim card in is it seems to slide in too easy. On my old phones I am used to a little bit of resistance when putting the sim in, but on this phone it goes in really easy, almost too easy. It seems like it could be easily jarred or even vibrated loose.
Is it supposed to be so easy to slide? Would the phone turn off if it stopped recognizing the sim card?
Thanks for the replies, I haven't ignored them, I am just trying to avoid having to go all the way back to the store, but I will if it shuts down again.
j181 said:
I took the sim card and battery out and put them back in. The no sim card message on start up is gone for now at least. The odd thing I noticed when I put the sim card in is it seems to slide in too easy. On my old phones I am used to a little bit of resistance when putting the sim in, but on this phone it goes in really easy, almost too easy. It seems like it could be easily jarred or even vibrated loose.
Is it supposed to be so easy to slide? Would the phone turn off if it stopped recognizing the sim card?
Thanks for the replies, I haven't ignored them, I am just trying to avoid having to go all the way back to the store, but I will if it shuts down again.
Click to expand...
Click to collapse
A loose sim card causing shutdowns? Hard to imagine how.
I just checked mine, and the metal restrainer is keeping my sim card pretty tight. It is not supposed to be moving around as you guessed.
My sim card sits pretty tight too. The "no sim card" message also pops up every time I turn on the phone. Guess the phone needs a short period to detect whether the sim card is there. For the voice mail I have no clue yet, check with your carrier maybe. Within the grace period I guess you could use this loose problem to support your demand and hopefully the store would not charge you any.
For the random reboot issue, try to do a master reset and that should help. I had that same problem the first few days i used it but after the reset it went away. It wouldnt hurt to try. Just remember all the free apps you downloaded because they will go away.
Sent from the Proud owner of an HTC AMAZE
For the ghost v-mail...use a different phone or have someone call you and leave you a v-mail...as soon as you delete it the ghost voice mail will be gone too. I used to get these all the time on my HD2 and when I called T-Mobile that is what they told me to do...works everytime, until it pops up again. It was explained to me that it happens because you HAD a v-mail at one time and it got stuck in limbo when you deleted it, thus a ghost v-mail.
Thank you for all the help. The factory reset fixed the phone. It hasn't turned off once since I reset it several days ago and it was doing it every day before. Leaving a voicemail also fixed the voicemail that wouldn't go away.

Sim Card Removed intermitently problem

Hi everyone,
I am experiencing a problem with my Samsung Vibrant. It keeps saying "Sim Card removed" and asks for restarting. It happen every 5 minutes or so. Any one has an idea in how to solve? Running CyanogenMod 9 Nightly Vibrantmtd.
Peace!
Maybe try cleaning the contacts on the card. Or you may have fired your SIM card with that crazy Haitian heat down there. Might want to look in to getting a new SIM card and see if that works out.
Thank you for response Woodrube. I didnt come back to the post because i have solved the problem. It was about the sim card reader on the board of the phone. I changed it and it worked like a charm. I sold it right after. I'm now on Galaxy S2. The haitian heat is something a man should try before he dies man. I hope you'll have that chance... lol.
Well, i really appreciate your help man.
Peace.
Sent from my MZ601 using XDA Premium HD app
Hi, just wanted to add my own experience to this subject. My phone got a little bit wet, not submerged but just dripped on a little bit. Some of this water made its way into the back of the phone through the speaker hole and side slits. I compounded the problem by pushing the power button to turn it off instead of just pulling the battery; this caused the physical switch to suck some water in and short out, causing symptoms similar to a boot loop - put the battery in, phone immediately turns on, starts to boot, turns itself off just as boot animation comes up, repeat, until battery pulled. Long story short, I had to tear apart the phone, dissect the power switch, blot out water, and reassemble.
All good until I started right away getting 'SIM card removed, reboot phone' messages. Power down sometimes made it see the SIM again for a litle while, sometimes I had to pull the battery and jostle the SIM card and then it would work a while, etc.
I re-opened the phone after a week of this and discovered that while I was poking around inside, the ribbon connector for the SIM card / SD card reader daughterboard had become disconnected, on the hidden side of the motherboard (i.e. the screen side). I had to disconnect two similar ribbons on the battery side to be able to lift the whole assembly out of the case, push the SIM reader ribbon connector back into its receiver, and then all was well. I think it was only working at all because the being pushed up against the case was kind of holding the connector in place, if only in a janky way.
So, check for disconnected SIM card reader ribbon before ordering a new part. In fact, looking at the part online is what gave me the idea to check. I would post a link to the part, but as a new XDA user I'm disallowed until I make more posts. Google.
Thanks XDA for being awesome!
Currently running CM10 nightlies and loving my phone, after having official Froyo for nine months and hating it.

Problem with network: "Sim card has been removed"

Hello.
I have problem with my Elephone P9000. When the network signal is poor, the network indicator loses signal for a few seconds and in this time, the message "Sim card has been removed" appears for a moment. After that, the signal turns back on (4G), very quickly switches to 3G, and this situation repeats after minute or two. I checked on other sim cards, and the problem is still present. I've done manual upgrade to 20160315, and it not helped. I wonder if it's hardware problem or the software has some bugs.
kraftens said:
Hello.
I have problem with my Elephone P9000. When the network signal is poor, the network indicator loses signal for a few seconds and in this time, the message "Sim card has been removed" appears for a moment. After that, the signal turns back on (4G), very quickly switches to 3G, and this situation repeats after minute or two. I checked on other sim cards, and the problem is still present. I've done manual upgrade to 20160315, and it not helped. I wonder if it's hardware problem or the software has some bugs.
Click to expand...
Click to collapse
Hi,
I had the same problem... My p9000 has arrived just a week ago and since the beginning, several time per day, specially when the phone was in my pocket, it appended to lose contact with the Sim card and even with the SD card. I tried to put a piece of tape on the back side of the tray Sim holder... and after few days it seems work....if can be useful
Thanks, but this method did't work. I noticed, that phone loses network even when signal power is about 3/4. I'm writing to elephone right now.
I have the same problem, my p9000 arrived today.. after setingup everything the simcard cannot be read.
I tried multiple solutions none of them work. anyone already got the solution?
I had a small succes with 2 simcards but it lasted a short time
Greetz
Flashing Aerom V1 solved my problem.
Friend of mine received this phone yesterday and has the same issue. They keep getting this error every few minutes even when the phone is placed on a table so I reckon it's firmware related?
Sent from my Elephone P8000 using Tapatalk
Yes. ROM 20160419 and every other based on it solves this issue.
kraftens said:
Yes. ROM 20160419 and every other based on it solves this issue.
Click to expand...
Click to collapse
It doesn't. I received the OTA and I still have the problem.
It's strange. I installeg IMUI official rom, based on 0419 and still was fine, till i started to play with LTE bands. Disconnecting sim card problem appeard again. Then i flashed stock 0315, download OTA and problem has gone.
Maybe a solution with scotch tape on back of the sim card will be useful to you.
@
kraftens said:
It's strange. I installeg IMUI official rom, based on 0419 and still was fine, till i started to play with LTE bands. Disconnecting sim card problem appeard again. Then i flashed stock 0315, download OTA and problem has gone.
Maybe a solution with scotch tape on back of the sim card will be useful to you.
Click to expand...
Click to collapse
I have this issue after the upgrade also. I do not think its hardware related as the issue can pop up even when the phone is sitting on a bench.
I have 2 SIMs in the phone, and it seems to happen much more than when there is just one.
It feels like when there is multiple connections that the phone gets confused and drops out.
The phone drops out while on calls too, which makes it worthless to me.
Is it faulty? Should I send it back?
I have the same problem with my P9000.
It looks like some mobile data information seems to cause some kind of exception which will then drop out the SIM card.
I had the same problem. So I ordered another P9000. Problem solved, second phone works fine. I swapped the SIM card trays to verify, the problem (in my case anyway) is with the tray as the old tray causes the same problem in the new phone and the new tray works fine in the old phone (damaged/bent/bad batch/different manufacturer/sub-contracted? Who knows?). Wrote to Elephone (for a replacement SIM card tray), will see what they have to say.
(As a very unsatisfactory workaround, if you bend the tray very slightly (bend the middle down from the top) and insert it in the slot almost all the way except for the last 0.3-0.5mm (friction holds it in place), so it protrudes about the same distance as the buttons (so it looks like another button) then this seems to hold the SIM card in the right place. It is a bit tricky but do it right and it stays in place (a few weeks now, no problems). If you break it it is your responsibility not mine, though (let's see if Elephone will give replacements). Best solution I could come up with as the alternative is owning a $200 piece of plastic that does nothing. (now I have two (3 actually) dual SIM card phones. Lucky I have a lot of SIM cards.
davidtheguest said:
I had the same problem. So I ordered another P9000. Problem solved, second phone works fine. I swapped the SIM card trays to verify, the problem (in my case anyway) is with the tray as the old tray causes the same problem in the new phone and the new tray works fine in the old phone (damaged/bent/bad batch/different manufacturer/sub-contracted? Who knows?). Wrote to Elephone (for a replacement SIM card tray), will see what they have to say.
(As a very unsatisfactory workaround, if you bend the tray very slightly (bend the middle down from the top) and insert it in the slot almost all the way except for the last 0.3-0.5mm (friction holds it in place), so it protrudes about the same distance as the buttons (so it looks like another button) then this seems to hold the SIM card in the right place. It is a bit tricky but do it right and it stays in place (a few weeks now, no problems). If you break it it is your responsibility not mine, though (let's see if Elephone will give replacements). Best solution I could come up with as the alternative is owning a $200 piece of plastic that does nothing. (now I have two (3 actually) dual SIM card phones. Lucky I have a lot of SIM cards.
Click to expand...
Click to collapse
I removed the SIM card tray because I wanted to swop the SIM's around. It has been several hours now with no drop out so it will be interesting to see how long it works before droppping out again. I didn't dare to bend the tray because knowing me I would have broken it!
Duplicated in error.
search for lost imei on mtl devices.
you can restore it with enginnering mode . its easy
davidtheguest said:
I had the same problem. So I ordered another P9000. Problem solved, second phone works fine. I swapped the SIM card trays to verify, the problem (in my case anyway) is with the tray as the old tray causes the same problem in the new phone and the new tray works fine in the old phone (damaged/bent/bad batch/different manufacturer/sub-contracted? Who knows?). Wrote to Elephone (for a replacement SIM card tray), will see what they have to say.
(As a very unsatisfactory workaround, if you bend the tray very slightly (bend the middle down from the top) and insert it in the slot almost all the way except for the last 0.3-0.5mm (friction holds it in place), so it protrudes about the same distance as the buttons (so it looks like another button) then this seems to hold the SIM card in the right place. It is a bit tricky but do it right and it stays in place (a few weeks now, no problems). If you break it it is your responsibility not mine, though (let's see if Elephone will give replacements). Best solution I could come up with as the alternative is owning a $200 piece of plastic that does nothing. (now I have two (3 actually) dual SIM card phones. Lucky I have a lot of SIM cards.
Click to expand...
Click to collapse
Did you manage to get a replacement tray? I'm having this issue on a second p9000 I bought and can't seem to find a proper solution
I've had one drop out only since I removed and re-inserted the SIM card tray as per my post no #13.
I did inform Elephone of the problem but apart from a standard automated acknowledgement, I never had a response. What a surprise!
That's bad news. I've got a third p9000 and it's the only one causing problems. I've factory reset it and hope the seller takes it back as no matter what it won't detect the SD card in the first slot or the SIM card in either now. The QA on this sim tray is really bad. There aren't any compatible parts for the tray anywhere? Does the tray share the same design as say a p8000 or other elephone models? Or even a different phone entirely?
I have the same issue. I even had to remove the SIM pincode, because after the phone thought the SIMS had been removed and later found them again it keeps hanging on the SIM lock. This sometimes happens in my pocket without me knowing that i do not have a network connection at that time.
So how can we decide if it's hardware of software related?
Software: In my opinion this issue only came about after updating to the 20160419 ROM.
Hardware: Once the phone suddenly found my SIMS again after hitting it softly (softly, i swear).
I will be following this thread closely
I have the problem too, the First weeks I had no problem. Now it happens from time to time around two times a Day. I'm using Eragon 2.0.

HELP no sim or SD detected

I was on evox everything was fine and i thought id try the new Havok, i clean flashed as normal and (this happened before but only for alittle and format fixed it) now my SD or my SIM arent being recognized, not even in TWRP.
I tried reflashing vendor/firmware, format, wiped everything still SD wasnt being detected but it did show up on PC and i saved all my data. I then formated SD and still no detection.
I reflashed EVO and all worked except sim and SD, so i went and did a full miui flash with mi tool.
Im now at miui setup page and its asking me for sim when its in there, tested my sim in my friend iphone and it works.
Is my phone burned?
well in the end after a hard shake of my phone the sim and sd it started working again, for how long? who knows.
phone repair guy said it would cost probably 300-400-500shekelw to solder, the phone was bought for 1000 so fk it.
question if anyone knows this is the phone signal graph from gsam, it used to never go below 40,, does this mean im losing connection during the day?
Mooatreides said:
well in the end after a hard shake of my phone the sim and sd it started working again, for how long? who knows.
phone repair guy said it would cost probably 300-400-500shekelw to solder, the phone was bought for 1000 so fk it.
question if anyone knows this is the phone signal graph from gsam, it used to never go below 40,, does this mean im losing connection during the day?
Click to expand...
Click to collapse
Yes. If you travel with the phone, this may be normal. If the phone is in one place the whole time, then either you have an issue or your mobile tower/provider has.
tnsmani said:
Yes. If you travel with the phone, this may be normal. If the phone is in one place the whole time, then either you have an issue or your mobile tower/provider has.
Click to expand...
Click to collapse
I was completely static sitting at work when these readings were taken, thing is same type of graph happens at home also . Previously the graph would be always between 40 to 80 and no sharp ups or downs all just normal(fromnexactly same locations) and this erratic signal only started after i lost my sd and sim connection for like 12 hours (shaking the phone brought it back which leads me to think it hardware).
My gf once shoved in a pin to eject the sd and i think she did it too far or something and nicked some solder point since shortly after the sim and sd stopped working, but everything went back to normal after a while. This second time it happened again that i lost sim and sd and now i have this erratic graph where it says my signal is at 0 but i still got a call.
Jsut to try i switched from evox to crdroid and i observed the same type of signal graph so its not a rom thing.
these readings are from when i switched roms to test and its the same.
Mooatreides said:
these readings are from when i switched roms to test and its the same.
Click to expand...
Click to collapse
Apart from Gsam showing these readings, do you have any issues with calls? If not, I would simply ignore it.
tnsmani said:
Apart from Gsam showing these readings, do you have any issues with calls? If not, I would simply ignore it.
Click to expand...
Click to collapse
I had problems with download speeds, i was getting like half normal.
I FIXED it though with a bushfix, i put like 4 layers of cellophane tape on my sim card and now it seems it presses it in better, my stats are now steady between 40-80 depending if im indoors or out, no drop offs at all.
I hope this lasts! if not looking into mi 9 or K20 pro.
Mooatreides said:
I had problems with download speeds, i was getting like half normal.
I FIXED it though with a bushfix, i put like 4 layers of cellophane tape on my sim card and now it seems it presses it in better, my stats are now steady between 40-80 depending if im indoors or out, no drop offs at all.
I hope this lasts! if not looking into mi 9 or K20 pro.
Click to expand...
Click to collapse
I'm having the same bs with mine (losing SIM and sd card access periodically). I have the added ballache of random shutdowns for hours at a time.
After noticing one side of the SIM tray was slightly worn down and wondering if it wasn't pressing the cards onto the terminals sufficiently firmly, I tried adding tape. One layer didn't do the trick and I was reluctant to use more and get it stuck inside the phone.
I've ordered a new SIM tray from Ali express - hope this will do the trick
thesoupthief said:
I'm having the same bs with mine (losing SIM and sd card access periodically). I have the added ballache of random shutdowns for hours at a time.
After noticing one side of the SIM tray was slightly worn down and wondering if it wasn't pressing the cards onto the terminals sufficiently firmly, I tried adding tape. One layer didn't do the trick and I was reluctant to use more and get it stuck inside the phone.
I've ordered a new SIM tray from Ali express - hope this will do the trick
Click to expand...
Click to collapse
Really grinds my gears having this stuff happen, at first i thought the connectors were broken, im not sure if its the tray though cuz i took my girls poco sim tray with her sd an last time it dint detect hers either.
Try what i did first to see if it helps, 3/4 layers of the clear tape, put it on the sd n cut to size.
thesoupthief said:
I'm having the same bs with mine (losing SIM and sd card access periodically). I have the added ballache of random shutdowns for hours at a time.
After noticing one side of the SIM tray was slightly worn down and wondering if it wasn't pressing the cards onto the terminals sufficiently firmly, I tried adding tape. One layer didn't do the trick and I was reluctant to use more and get it stuck inside the phone.
I've ordered a new SIM tray from Ali express - hope this will do the trick
Click to expand...
Click to collapse
Soo you are saying that sometimes your simcard would randomly die with no reason, and even after getting out and putting back didn't 100% fixed it?
Also that your phone suddenly died for like 2 hour and you couldn't start it no matter what?
Cuz i had these 2 problems.
D1stRU3T0R said:
Soo you are saying that sometimes your simcard would randomly die with no reason, and even after getting out and putting back didn't 100% fixed it?
Also that your phone suddenly died for like 2 hour and you couldn't start it no matter what?
Cuz i had these 2 problems.
Click to expand...
Click to collapse
Yup, that's what has been happening. Sometimes popping out the SIM and reinserting it helps, but often it doesn't. I've found it happens less when the SIM is in the SIM 1 slot rather than SIM 2, meaning I can't use an SD card. Makes me wonder though if it's mechanical, hence whether a new SIM tray might help
Random shutdowns are a PITA. They've lasted days before now
I returned it to Xiaomi for repair. They found it started up and returned it insisting it is fine. Despite videos showing the problem. Waste of time!
Did you manage to get yours over this or is it still happening?
thesoupthief said:
Yup, that's what has been happening. Sometimes popping out the SIM and reinserting it helps, but often it doesn't. I've found it happens less when the SIM is in the SIM 1 slot rather than SIM 2, meaning I can't use an SD card. Makes me wonder though if it's mechanical, hence whether a new SIM tray might help
Random shutdowns are a PITA. They've lasted days before now
I returned it to Xiaomi for repair. They found it started up and returned it insisting it is fine. Despite videos showing the problem. Waste of time!
Did you manage to get yours over this or is it still happening?
Click to expand...
Click to collapse
It didn't happend after 3 shut downs. And neither the sim issues. Just to be sure i CLEAN FLASHED AND LOCKED BOOTLOADER than unlocked again and clean flashed latest xiaomi eu. Since then i didn't had any of those problems (but i got another one, maybe because of malakas kernel, rarely my screen would get stuck and only reboot could fix it(or touch sensor, not the OS)
D1stRU3T0R said:
It didn't happend after 3 shut downs. And neither the sim issues. Just to be sure i CLEAN FLASHED AND LOCKED BOOTLOADER than unlocked again and clean flashed latest xiaomi eu. Since then i didn't had any of those problems (but i got another one, maybe because of malakas kernel, rarely my screen would get stuck and only reboot could fix it(or touch sensor, not the OS)
Click to expand...
Click to collapse
I've done factory resets, without any improvement, but haven't relocked my bootloader
Might try that if I can summon the resolve
I've half convinced myself that it's a mechanical thing though with the positioning of the SIM card seeming to make a difference...
thesoupthief said:
I've done factory resets, without any improvement, but haven't relocked my bootloader
Might try that if I can summon the resolve
I've half convinced myself that it's a mechanical thing though with the positioning of the SIM card seeming to make a difference...
Click to expand...
Click to collapse
I had the same, couldn't fix it and i got mad and put it in slot 2,whitout sdcsrd, than it worked, i was afraid that i bricked sim 1 (its sim 0 in reality but doesn't matter), than i put it back and never had problems since than. I recommend you to:
Clean Flash back 9.6.27 beta with miflash (while relock bootloader)
Unlock bootloader, install twrp, CLEAN FLASH (well i didn't wiped system cuz some people said that on the forum, and tbh doesn't affected me) latest xiaomi eu (again, whitout wiping system but wiping all), install malakas kernel and latest magisk (13 or even 14) and if you want install FDE.Ai.
If you have problems even after all of this, than it's maybe damaged hardware, which is very unlikely.
my sim has been with stable signal strength since i put acouple layers of tape on the top.
flashing things ddidn't help me at all. I was considering mi9 to replace but developpement on K20pro looks like it will b way better.
so dar everything works so ill wait a couple months before buying a new phone.
D1stRU3T0R said:
I had the same, couldn't fix it and i got mad and put it in slot 2,whitout sdcsrd, than it worked, i was afraid that i bricked sim 1 (its sim 0 in reality but doesn't matter), than i put it back and never had problems since than. I recommend you to:
Clean Flash back 9.6.27 beta with miflash (while relock bootloader)
Unlock bootloader, install twrp, CLEAN FLASH (well i didn't wiped system cuz some people said that on the forum, and tbh doesn't affected me) latest xiaomi eu (again, whitout wiping system but wiping all), install malakas kernel and latest magisk (13 or even 14) and if you want install FDE.Ai.
If you have problems even after all of this, than it's maybe damaged hardware, which is very unlikely.
Click to expand...
Click to collapse
I've just been on holiday for a week, during which time I had no shutdowns at all. Could be total coincidence, but a few days before I went I moved the SIM from slot 2 to slot 1. I've done this previously and still had random shutdowns, but strangely this time it seems to be behaving currently. Most odd
thesoupthief said:
I've just been on holiday for a week, during which time I had no shutdowns at all. Could be total coincidence, but a few days before I went I moved the SIM from slot 2 to slot 1. I've done this previously and still had random shutdowns, but strangely this time it seems to be behaving currently. Most odd
Click to expand...
Click to collapse
I never had problems agaon, BUT like 2 days my sdcard disconnected and could never put it back, even if it worked in another phone...
Solution?
Recap: since my F1 was about 3 months old I've been getting apparently random shutdowns lasting moments to months, also similarly sporadic signal loss and disconnection of the SD card. Have returned it to the manufacturer who took a bunch of cash from me, found it worked when they turned it on and returned it to me. A couple of days after receiving it back it shut down and continued to do so, exactly as before I sent it off. I started putting the SIM in the other slot and it worked reliably for about a month, then it all went to rat **** again.
About 2 weeks ago it shut down and wouldn't restart since. Pissed off with it and content that the warranty has no value, I took the back off last night and found that the antenna connection was loose. I pushed it in firmly (along with all the other connections to the motherboard - battery, screen etc) and fastened down the black motherboard bracket / plate / cover a bit more securely than previously, put it all back together and....
When I pressed the power button it sprang into life!
First time in 2 weeks and it's been steady as a rock since
I hope I'm not posting this prematurely - that the problem won't recur now I've tempted fate, but the initial signs seem promising
Kind of wish I'd got my screwdriver out 7 months ago and saved myself all the fannying about!
Btw, this teardown was helpful in case anyone wants to take the plunge https://youtu.be/LlubcWbsSQk

Replacement logic board for Be2026

Hey guys,
Long and short of my issue:
Dropped phone in 6 inches/ 15cm of water. It stayed on, no apparent issue. Dried it off, took it off for 24hrs.
Two days later, while using it, sim card and wifi went on the fritz. Wifi and sim will detect then drop off...sim is every 15 seconds. Sim is just fine in another phone. Without sim in the phone, wifi sometimes connects and stays stable.
Factory reset the phone, everything else is just fine, got wifi long enough to restore everything and update.
I am in the caribbean so a no go with sending phone to oneplus for repairs.
Any suggestions on where to purchase a logic board (used or new) doesnt really matter from where as long as its working?
Saw a metro be2025 on ebay, will this work with my phone? Will I have issues trying to unlock it (read some horror stories about it)? Read a couple posts about the minute differences between the models so looking to try it out.
Thanks in advance for any advice!!!

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