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Screen Flickering

I've read a few threads on the screen Flickering and there doesn't seem to be any resolution .
I'm on my 3rd tablet now (thanks best buy accident damage warranty!) And this one is flickering worse lately than ever. I updated to the latest firmware, yesterday only to boot up to horrible bouts of flickering during the setup screens.
The odd thing is, there seem to be no consistency to it. Some days it's so had I can't even use the thing, other days it doesn't happen at all. I use the tablet every day for notes or PDF viewing. I've used it with no magnetic cover (totally naked) and with the cover.. doesn't seem to change the occurrences.
I've turned overlays on/off force gpu render on/off.. nothing seems to fix it. Sometimes changing the overlay will reduce the flickering other times it doesn't affect it at all.
I hate to say it, but if I can't resolve it, I'm going to be forced to move to the surface 3.
I'm an electrical engineer and I've done as much trouble shooting as I can think to do.. but I've come up empty handed.
Anyone else have these problems? Has anyone found a definitive fix?

I sent mine back 3 times. The first was a reset. Thanks for wasting my time. The second was a motherboard and that didn’t do it. The third time they did a motherboard, digitizer, and usb port. It's finally stable and back to normal. After 5 trips back, the BB warranty triggers a new unit. Check if it triggers a refund.

I get it occasionally, so far I'm able to resolve it by booting into custom recovery (TWRP) and clearing dalvic to allow all apps to rebuild. Sometimes this resolves it for a few days, sometimes a couple of weeks. Its a repeatable "fix" that makes me question if the issue is related to memory or trim or something like that. Kind of reminds me of how with the first generation nexus 7s one would see slow downs after a while and filing storage with fake data then deleting it would improve performance for a while.

I'm definitely not a tender user of the device. I go back and forth between multiple ROM's and kernels on a daily basis testing what is testable, and unfortunately also what is not. Anyway, even though mine was bought as refurbished on eBay, I have never had any issues like the ones you describe. More specifically, I have never had any issues what-so-ever, that was not created due to my own ignorance. To me the device seems indestructible.
Besides, I would hate to be in the place of my device, or I would definitely have turned schizophrenic. Should I feel bad about pushing it through all this?

Because we're trying to figure out if it's related to a specific device type, which one do you have? P900, 905, 907A or another?

ShadowLea said:
Because we're trying to figure out if it's related to a specific device type, which one do you have? P900, 905, 907A or another?
Click to expand...
Click to collapse
P900 wifi. Us version bought at best buy.
Today the tablet has been rock solid, I have literally done nothing between when it was flickering like mad and now.
I wonder if it might be related to some kid of data transfer. either over wifi, or when data is written or read from storage or SD card. I've take then SD card out to eliminate that as the problem.

Mine was P900 from BB

Issue lies with the screen.
This happened with me I sent it back to Samsung, 3 times. They seem to have finally got it right. They replaced the battery and then the display screen. Now it appears to be working I will let you know after a month if it is still good. They also told me that they will not replace the device even though I bought it and the issue was right from the start. Not even 6 months old. When working the device is excellent.

Ah, so now we know for sure the battery is replaceable. That's good news. Maybe someday our batteries will no longer hold a charge and we can replace it. Now for a good video on tear down and what tools to use to do that and where to get a replacement battery. I know it's early for most of us but someday......we will have to replace that battery. I'm one of those that keep my toys (computers/laptops/tablets/phones,) for many years.

Mine is running like new since last service. Getting the BB Geek Squad warranty has paid for itself already. I get 2 years on anything over $500.

Mine is a p900. I purchased from samsung website. Mine has been doing it fresh out of box. So bummed.

Ive had my 12.2 since march and it recently started flickering. It seems to tuen of the screen for a millisecond especially when lots of refreshes happen. Like scrolling a pdf. A few days back it was bad. Now it has gotten better and I havent noticed anything.

{Diemex} said:
Ive had my 12.2 since march and it recently started flickering. It seems to tuen of the screen for a millisecond especially when lots of refreshes happen. Like scrolling a pdf. A few days back it was bad. Now it has gotten better and I havent noticed anything.
Click to expand...
Click to collapse
My P900 has just begun flickering exactly as you describe. So I should just be patient and hope it goes away by itself?

I'm flickering again. Turning the screen brighter is what triggers it for me. Returning to stock just to get it back and have it flicker again to hit the magic 5 returns may be what I have to do.

https://youtu.be/CvxbVft69Kg
I just followed this guide. Its been a week now, not had any flickering since I did it.

Manya3084 said:
I just followed this guide. Its been a week now, not had any flickering since I did it.
Click to expand...
Click to collapse
Lifting the motherboard only temporary close the gaps of cracked battery connector. The permanent fix need to do: re solder the battery connector.
Look closely under magnified glass or microscope , you'll see the cracked solders. You can test by pushing the connector slightly, a bad one will move easily or lift off from its solder joints.
This video was removed from the poster after I pointed out his guessing solution. Flickering screen has nothing to do with LCD connector on the motherboard.
Lifting mother board actually you're applying pressure on the battery connector from rear cover.

I have had my P900 sent to Samsung service twice without having the screen flicker fixed. I thought this was a known problem and that Samsung themselves should be aware of it? Maybe I should supply some XDA links next time...
Skickat från min SM-P900 via Tapatalk

bluebirch said:
I have had my P900 sent to Samsung service twice without having the screen flicker fixed. I thought this was a known problem and that Samsung themselves should be aware of it? Maybe I should supply some XDA links next time...
Skickat från min SM-P900 via Tapatalk
Click to expand...
Click to collapse
Depend on where you send for service, they know how to fix it now. Service Centers actually are contractors provide services for Samsung and others, the fact that most people don't know.
http://forum.xda-developers.com/showpost.php?p=59573206&postcount=100
It Works. Battery connector replaced. Smoooooth
After 2 visits to Samsung , my unit finally works fine.
Motherboard and LCD were changed first time. But issue persisted.
Second time, battery connector was replaced. Since then it has worked very very smoothly.

Beut said:
Depend on where you send for service, they know how to fix it now. Service Centers actually are contractors provide services for Samsung and others, the fact that most people don't know.
http://forum.xda-developers.com/showpost.php?p=59573206&postcount=100
It Works. Battery connector replaced. Smoooooth
After 2 visits to Samsung , my unit finally works fine.
Motherboard and LCD were changed first time. But issue persisted.
Second time, battery connector was replaced. Since then it has worked very very smoothly.
Click to expand...
Click to collapse
Thanks, missed that other thread. Next time, I'll send them an en explicit request to replace the battery comnector, and refer to those two threads.
Stefan
Tapatalked on some kind of Samsung tablet

S6 Gyroscope problem

Hello guys. Yesterday I bought a Samsung Galaxy S6, the "normal" S6. I bought it from a guy, tested it 2 times everything fine but today I discovered that the rotation is not working properly. When i dial *#0*# and test the sensors, all pass but the gyro test fails. The phone doesn't have warranty, and I wanna know guys if you also got this problem and if you fixed it. If not, I could replace the gyroscope/accelerometer or what the heck is not working in a GSM service?
A friend told me that if the sensors are damaged then the phone can't be repaired. Please help me if you can. ?
PS: Sorry if I typed wrong.

If your friend doesn't repair phones for a living, then perhaps you should ask someone who does if it's repairable....
Sent from my SM-G920W8 using Tapatalk

Changing rom doesn't solve it? I haven't tried this yet..

It is possible that it could be a software glitch. I had the issue with my ex-S6 Edge, I got it fixed by telling Samsung to reinstall the firmware for me.
I now have an S6, I used Samsung Smart Switch yesterday to reinstall the firmware on my phone. It fixed some issues I had along with less heat and better battery runtime. I suggest you do the same, it's worth a try.
Just be sure to charge your phone to 100% and use *only* the original USB cable from Samsung. You could end up with a bricked phone if you use third party cables, other users have ended up with such fate.

DaryllSwer said:
It is possible that it could be a software glitch. I had the issue with my ex-S6 Edge, I got it fixed by telling Samsung to reinstall the firmware for me.
I now have an S6, I used Samsung Smart Switch yesterday to reinstall the firmware on my phone. It fixed some issues I had along with less heat and better battery runtime. I suggest you do the same, it's worth a try.
Just be sure to charge your phone to 100% and use *only* the original USB cable from Samsung. You could end up with a bricked phone if you use third party cables, other users have ended up with such fate.
Click to expand...
Click to collapse
I have the original cable, but if I use it there are no chances of bricking it right? I did 3 factory resets already, and I cand replace the sensor with problems, it will cost me pretty much. I also have something with the camera. It looks like it takes whiter pictures, I think. I'm going tomorrow in a store to see another S6, to see if the cameras are the same.

velea18 said:
I have the original cable, but if I use it there are no chances of bricking it right? I did 3 factory resets already, and I cand replace the sensor with problems, it will cost me pretty much. I also have something with the camera. It looks like it takes whiter pictures, I think. I'm going tomorrow in a store to see another S6, to see if the cameras are the same.
Click to expand...
Click to collapse
If your phone isn't rooted, if you haven't tripped KNOX. Then you should be good to use Samsung Smart Switch to reinstall the firmware. I used it just about four days ago to reinstall the firmware on my S6. Solved many problems for me. It's worth a shot before replacing the hardware.

[DISC] Changing motherboards between different models

Hey everyone,
recently my SC-02h (Jap Docomo version) hard-bricked and has no way to recover besides JTAG or motherboard replacement.
This made me think of an experiment.
Can you replace any motherboard (which includes all chips and the storage) with another.
I ordered the g935FD dual sim version with the Exynos chip, this compared to my QC single sim version which is currently bricked.
Hopefully within the next few days I'll receive the motherboard and start the replacement process (I will probable film it) to see if it works.
If so, anyone could replace their motherboard by a new one that is unlocked or has a different chipset.
Please discuss here if you're also interested in changing your own mobo with another.

Can't see why it won't work as the motherboard is what determines the model. Just make sure you order up a dual SIM tray too.

Motherboards from different chipsets *may* have different connections on how things wire up. I'm not saying they do, I'm just thinking out loud. I'd only buy a replacement motherboard from the same variant.
And good luck finding a new motherboard. At the price they sell for, you'd be better off buying a whole new phone.

Would like to see how this goes. Please record the process.
Sent from my SM-G935T using Tapatalk

lyriquidperfection said:
Can't see why it won't work as the motherboard is what determines the model. Just make sure you order up a dual SIM tray too.
Click to expand...
Click to collapse
Yea I ordered that one, although I thought the tray looks the same (bottom part), so until my new one arrives I'll use the older one.
the_scotsman said:
Motherboards from different chipsets *may* have different connections on how things wire up. I'm not saying they do, I'm just thinking out loud. I'd only buy a replacement motherboard from the same variant.
And good luck finding a new motherboard. At the price they sell for, you'd be better off buying a whole new phone.
Click to expand...
Click to collapse
I checked the connections and they are the same, the only thing that differs is the sim holder and the chipset.
Also a new phone (unlocked) costs at least 2,5times more (live in Japan).
dogredwing1 said:
Would like to see how this goes. Please record the process.
Sent from my SM-G935T using Tapatalk
Click to expand...
Click to collapse
I'll record it on video as soon as it arrives, also the process of taking it out and replacing it completely. So if it ends up in failure you can all see it.

In what way is it bricked? The S7 is almost impossible to brick.

CuBz90 said:
In what way is it bricked? The S7 is almost impossible to brick.
Click to expand...
Click to collapse
Hmm I flashed a rom with TWRP, (lineage, but wrong build) after that I rebooted and the phone stopped responding completely.
So black screen, no led when charging, no response at all when pressing buttons.
Even disconnecting battery and reconnecting didn't work.
Also no recognition in windows when connected to USB

totalvamp said:
Hmm I flashed a rom with TWRP, (lineage, but wrong build) after that I rebooted and the phone stopped responding completely.
So black screen, no led when charging, no response at all when pressing buttons.
Even disconnecting battery and reconnecting didn't work.
Click to expand...
Click to collapse
Can't get to download mode?

CuBz90 said:
Can't get to download mode?
Click to expand...
Click to collapse
Well if I could I wouldn't be ordering a new MoBo
Even made a USB JIG

Another thing you might lose is waterproofness. I cracked my screen badly and instead of repairing it at a 3rd party shop, I sold it and got a new one. Coz it won't be waterproof anymore..

thedisturbedone said:
Another thing you might lose is waterproofness. I cracked my screen badly and instead of repairing it at a 3rd party shop, I sold it and got a new one. Coz it won't be waterproof anymore..
Click to expand...
Click to collapse
i should be fine, just get it glued back together properly.
besides i don't really care about it.

Unless the other components (camera, vibrator motor, various sensors, OLED Panel etc.) don't differ in the way they talk to the mainboard, I don't see why it shouldn't work. As others have said, I'd really love to see how it'll work out for you. So, thanks for sharing =)

Well it didn't work out, I put in the new motherboard but the phone didn't power on at all. There is also no led when trying to charge it. I'll be sending it back to the supplier and buy another version instead.

https://www.youtube.com/watch?v=jym2aNwRmkc
Made a video of the process and failure

totalvamp said:
https://www.youtube.com/watch?v=jym2aNwRmkc
Made a video of the process and failure
Click to expand...
Click to collapse
Was interesting to watch, however you only tried powering on twice and quit?
Connecting a charger had no effect?
Unless the board your received was dead to begin with.

totalvamp said:
https://www.youtube.com/watch?v=jym2aNwRmkc
Made a video of the process and failure
Click to expand...
Click to collapse
Can you share the link of where you bought the motherboard? It might be that you bought a blank motherboard. In that case you want it to be flashed with the correct IMEI and partition (table?). AFAIK the IMEI has to be that of your previous phone since you can't just "create" a new IMEI. Don't even want to get into the legal repercussions but here's a sneak peak; in some countries it's a criminal offence to alter an IMEI or even have tools to alter IMEI. Don't quote me on this and I'm asking the community to correct me. If the motherboard comes from a previously active device, it should have its own IMEI and none of what I said before matters.
Whatever, none of that necessarily explain why it didn't boot up. Have you tried charging and plugging it to a PC? If it isn't dead, your PC should at least detect A device.

murtaza02 said:
Was interesting to watch, however you only tried powering on twice and quit?
Connecting a charger had no effect?
Unless the board your received was dead to begin with.
Click to expand...
Click to collapse
Well I tried a few times after that and after letting it on a charger, still no response.
nitrous² said:
Can you share the link of where you bought the motherboard? It might be that you bought a blank motherboard. In that case you want it to be flashed with the correct IMEI and partition (table?). AFAIK the IMEI has to be that of your previous phone since you can't just "create" a new IMEI. Don't even want to get into the legal repercussions but here's a sneak peak; in some countries it's a criminal offence to alter an IMEI or even have tools to alter IMEI. Don't quote me on this and I'm asking the community to correct me. If the motherboard comes from a previously active device, it should have its own IMEI and none of what I said before matters.
Whatever, none of that necessarily explain why it didn't boot up. Have you tried charging and plugging it to a PC? If it isn't dead, your PC should at least detect A device.
Click to expand...
Click to collapse
http://www.ebay.com/itm/MAIN-MOTHER.../182310990269?ssPageName=ADME:X:RRNTB:NL:3160
It should be one with an IMEI how else can it be unlocked.
I tried plugging it in as well, but my PC doesn't recognise it at all.
I've ordered a different one this time, this motherboard was also slightly different from the one I had (2 cables instead of 3) so it might be incompatible.
I ordered this one now: https://www.aliexpress.com/snapshot/0.html?orderId=82116420384467&productId=32737224430

Did you end up having any luck with the second motherboard?
Or has anyone else attempted this before?
I'm looking to swap my qc chip for the exynos.

How was the operation??
Hello i'm interested to know how was the experiment becouse i wanna try almost the same thing, i have a s7 sm935fd and i wanna change the motherboard for a sm935f model. Please answer me!

I am also going to try swapping motherboards. How did yours work out?
Hi @totalvamp,
I am going to try swapping out a good motherboard from a banged up sprint G930P phone with a clean IMEI into a clean, whole, G930X demo model that I picked up cheap on Ebay.
The "X" demo phones work on WIFI only. I understand that the "X" motherboards are missing the cellular radios, which is why I am trying this swap -- it should be far easier and less costly than doing a full screen&LCD replacement, which requires tearing down the entire phone, and costs about $150. Hopefullly, I will just have to remove the back, the QI receiver and I think the camera, and I'll get access to the motherboard.
My hope is that all the rest of the parts are present -- we'll see how it goes.
I look forward to hearing from you.
Philip

OTG and Gear VR stopped working!

Suddenly OTG and Gear VR are not working on my S8 plus. no water, drop or anything. I have the device for only 2 weeks. No OTG device works (tried with genuine type c to usb adapter). It used to work like two days ago. I did factory reset and reinstalled firmware using smart switch. In addition, Gear VR is not being recognised anymore. PC connection and data transfer using the cable work ok. I believe OTG uses different pins. May it be a hardware issue? I remember getting some high-powered device connected before it stops working at all (using just a simple mouse). I tried everything.
I saw that a number of people have the issue on samsung support website. I hope it is not a known issue and samsung just does not state it officially (like the S7 edge pink line).
Please help or let me know if you have the issue too.

Arismfg said:
Please help or let me know if you have the issue too.
Click to expand...
Click to collapse
Lengthy discussion here > https://forum.xda-developers.com/galaxy-s8/help/usb-otg-longer-galaxy-s8-t3640216

cam30era said:
Lengthy discussion here > https://forum.xda-developers.com/galaxy-s8/help/usb-otg-longer-galaxy-s8-t3640216
Click to expand...
Click to collapse
thank you for your reply. I have already checked the thread above. However, no working solution. Is there anyone who managed to figure out if it is a software or hardware issue? I wonder why it is stated as solved. I dont think the guy with the issue fixed it

I contacted oculus support about this issue. Seems to be a widespread software issue that happens with certain models+updates but they aren't doing anything to fix it for unlocked phones as only phones locked to a carrier are supported by gear vr.

povotron said:
I contacted oculus support about this issue. Seems to be a widespread software issue that happens with certain models+updates but they aren't doing anything to fix it for unlocked phones as only phones locked to a carrier are supported by gear vr.
Click to expand...
Click to collapse
Thanks for the reply. Does this also have to do with OTG devices not recognised? Do you have this issue too? What is strange is that Gear VR used to work. At least for a while on my unlocked S8 plus. I cannot understand how this may block the OTG devices. Is there something left in the settings that may block OTG?
By the way, I hope you are not referring to the network issue. My Gear VR is not recognised at all.

I'm having the same problem as you. I hadn't tried otg before the VR wasn't recognised but I can't use it now. Could be my adaptor though. People seem to have the issue appear following phone updates

povotron said:
I'm having the same problem as you. I hadn't tried otg before the VR wasn't recognised but I can't use it now. Could be my adaptor though. People seem to have the issue appear following phone updates
Click to expand...
Click to collapse
Well I gave my phone to the official samsung service and waiting for their reply. I don't think I installed any updates before and after the issue appeared (at least not firmware updates but not sure about oculus or other apps) . By the way it is not the adaptor that has the issue. I tried many others on my phone. And the adaptor works with a friend's S8 (not plus). Only one works (well not really). It iss an OTG type-c to micro usb (bought from ebay) which comes up with a notification that high powered device was connected but then nothing happens whatever option I choose. And it is not a high powered device because it used to work. I tried even a mouse with its own battery. But if it was a phone update, I think a factory reset should fix it? It did not for me.
Do you think of taking your phone to the official service too?

A full factory reset also didn't work for me. From other forums it seems that other people who have taken them in for service receive a replacement phone. Some people however then mentioned that they encountered the same issue a few months later with the replacement. I would take mine to Samsung but it's a grey import and Samsung refuse to touch them even though it's the same model sold locally. If it's definitely a hardware fault I'll consider sending it away but it would be an international service which would leave me without a phone for quite some time.

Yes, you are right. Some people saw the issue after a few months of getting the replacement phone or even after restoring their google account and settings (without being able to get it fixed by factory reset). This is what actually scares me the most because it looks like hardware issue of the phone in general. It looks like a well known issue which samsung does not officially accept. SiImilar to the pink line on S7 edge I had before. Anyway, as charging and connection to pc still work, I can give my phone and get a new model later cheaper. The last two samsung flagships came with issues that (the most important) samsung does not accept officially. Maybe it is time to change brand (always android though).

I got my phone back from samsung service. They did not replace my phone but they replaced both the logic board and the type-c board. As expected, it works again with OTG devices and Gear VR as it is like a new phone after replacing all that. Installed all apps again one by one (not restored from backup) and everything still works. Hope it stays like that. So hardware issue? Looks like it.

I know this is an old thread, but I replaced just the USB board and it didn't fix anything. So maybe it's a motherboard issue?

Note 20 ultra black screen of death

Hello all,
My 1 year old note 20 ultra bougth on wondamobile because it was cheaper that in my country and had the snapdragon version.
Just got this HUGE problem, i was watching a youtube video and the screen just got black all of a sudden, and for 2 days never lit up again.
I live in Europe and Samsung says they wont cover the warranty of it as it wasnt purchased in Europe.
This is completely ridiculous, the phone costed 1300 euros, top of the line.
And now all of the sudden just dies.
I have tried all the methods online and none of them works, conecting a hdmi usb c cable to the screen, the iphone conects but i can only see the hours and a lock, cant unlock the phone, even tried with a mouse and keyboard using a usb c hub and nothing works.
Anyone knows a real fix for this?
as a new screen is 400 € and i dont want to pay this value.
This never happened specialy with a high end phone.

The N20U has had some display issues... Sorry.
Likely the display, could be a connector, battery or mobo failure.
See if you have legal recourse, otherwise lean all over Samsung like a cheap suit.
In the end you may need to do it out of pocket.
Last drama free rollout from Samsung was the N10+Snapdragon (new ones still available for $800). I got a second one because of Samsung's and Android 11/12's lack luster performance.
Some don't think it's that bad...
I sure do, which why I stepped back and rejected 5G, variable rate displays, no flagships SD card slots and one of the most dysfunctional Android OS's ever released.
I'm in a holding pattern running on P and Q until the fallout settles. Minimum 1-2 years perhaps longer.

This problem also happens in the note 10, s20 and others.
The biggest issue is that its a phone from South Korea and im In Europe so the warranty isnt valid.
Was so happy with it until now. Its not the 5g, neither the Android version.
According to what i read this issue is caused due to the one ui 3.1 update.
Because if it was a screen problem the touch wouldnt even respond to touches and it does respond.
Battery was at 81 percent went this happened, and the mobo for sure is good as i can conect the phone to screen and see it like Dex problem is the phone is locked so i cant unlock it even using this option.
And once again as the screen is locked it isnt recognized by usb so no program will work to get the data out of it or try any solution using dex.
As its a version bougth in Sk when i called the assistence they say they cant even do nothing because they only get parts for European phones and that parts are diferent, but the screens must be the same in both versions what differs is the mobo.
This is giving me headaches

Are you saying the update is causing hardware failures or that the black screen is not hardware damage but a just firmware issue?

The phone was working fine.
Until with the last updates the wi fi got inconsistent and i have the best and fastrst internet in my country.
Also as in this image shows the phone does work , problem is i cant unlock it. If i could probably could reset the software.
As the screen only had a minor scratch, so it was never damaged.
Now a 1300 euros phone is just a paper weigth

If it's a firmware you may be able to pull up the boot menu... and go from there.
This is beyond my skillset but it's not a paperweight yet.

I tried it all.
Would be easy if it worked via usb or via dex.
But its stuck in it.
This is a Samsung problem on the latest phones.

Raid3n__pt said:
I tried it all.
Would be easy if it worked via usb or via dex.
But its stuck in it.
This is a Samsung problem on the latest phones.
Click to expand...
Click to collapse
Try letting it fully discharge until auto shutdown if possible.
Physically disconnect the battery, hard reset.
Try some Google searches to find more options.
You might need to pay a repair shop or Samsung to fix it.

It wont shut down. Its like this for 2 days
Removing the battery will be dificult also.
Yeah its going to cost 400 euros for a phone npw worth near 900 or less altough its unlocked.
Will never buy a flagship again.

You don't need to remove the battery, just disconnect it. Watch a tear down vid.
You need a heat gun or pad, anhydrous isopropyl alcohol to help break the rear cover adhesive, plastic picks and perhaps some drivers maybe not. A new OEM rear cover seal.
A good phone repair shop can easily do this for you. Start there and see what you got.
The QC was solid on the N10+ Snapdragon but less so after especially on the S21U.
If the display needs to be replaced that should be the end of your problems with it.
Not perfect but what are you gonna do?
With Samsung, all phones it's best to wait 6 months and see what crops up. Otherwise it's more of a gamble.

I was indeed going to buy the note 10 plus back then but then i saw the n20 and all the advertisement and let myself into the hype.
Even bougth first a oneplus 8 pro but it got stolen in spain and i was refunded
Well going to try for one more day and see if it comes back to life,wich seems like a dream rigth now.
In last case will try a techician but its going to be expensive as this is a korean phone in europe.

Raid3n__pt said:
I was indeed going to buy the note 10 plus back then but then i saw the n20 and all the advertisement and let myself into the hype.
Even bougth first a oneplus 8 pro but it got stolen in spain and i was refunded
Well going to try for one more day and see if it comes back to life,wich seems like a dream rigth now.
In last case will try a techician but its going to be expensive as this is a korean phone in europe.
Click to expand...
Click to collapse
May not be as bad as you think.
Shop around. Getting the right replacement parts is critical. I know on the 10+ the C port pcb, cam module, and obviously the mobo are different and not interchangeable, not sure about the display!
Lol, found out the hard way with the C port pcb, there are 2 variants for the Snapdragon! My C port wasn't bad but was replacing the battery so decided to do the C port for $20 more. No cell service, no internet... put the original one in, back in service. Rather irritating
Ricky tricky Sammy...

This seems to be a design fault so Wonda should honour a repair or replacement. I would pursue it with them.
I also have a N20U SD HK version bought from them but it's only 6 months old.
I take it their warranty is just one year then?

Yes its only one year. And i bougth last october
And the problem is that i live in europe, wonda mobile is from china.
I dont know if its a design flaw or update problem as the phone magicaly started to work witouth the screen theme i had but i puted it down and the screen once again went off.

The phone was working back again for 10 minutes and black out again.
So the screwn migth be good.
I got a message saying the one ui stoped working when i used dex.
Dex mode with a usb c hub now works, but i cant put the phone back to stock while in dex.
Its in portuguese language but what it says in the message is that a one ui error happened.
This after the screen black out again.
In dex i cant put firmware back to stock but can update the firmware.
This is just stupid a 1300 phone with a faulty screen or software problem.
Cant figure it out. As the touch isnt working while is conected to dex, only worked using a mouse and keyboard.
But the touch worked when the screen went back on even for 10 minutes.
So if it works on dex it cant be mobo or battery.
If its the screen i will be 400 euros in pain.
Who would guess this n20 purchsee on wonda mobile would be a nigthmare

Likely a hardware issue...

blackhawk said:
Likely a hardware issue...
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Click to collapse
But how if it works in dex mode, everything works in dex mode, internet, cameras as well, games open, so the mobo cant be bad.
Guess the crap screen is gone for once, as it was only on for 10 minutes. Or maybe something disconected as i droped like 2 or 3 weeks ago but that cant be checked witouth opening.

Raid3n__pt said:
But how if it works in dex mode, everything works in dex mode, internet, cameras as well, games open, so the mobo cant be bad.
Guess the crap screen is gone for once, as it was only on for 10 minutes. Or maybe something disconected as i droped like 2 or 3 weeks ago but that cant be checked witouth opening.
Click to expand...
Click to collapse
When I said hardware I was implying the display.
It still could be a loose/bad connector as well.
The mobo's not entirely ruled out yet but a less likely candidate.

This seems to have happened to a lot of other people too, and some of them have said the display has come back on.
Samsung need to get a grip and offer some advice to affected cusomers.

For sure it seems the display is gone.
Samsung would replace the screen if it was bougth in Europe amd the screen had no damage.
Mine has a minor scratch and a very small mark due to a drop.
Anyway seems there wont be any fix, as the crap screen only worked for 10 minutes so no hope for it to be back on again
Samsung never again