Unofficial NM card and P40 Pro - Huawei P40 Pro+ Questions & Answers

Hello. I just got my YAOMAISI 256GB NM Card from amazon that was described as working with my phone model (p40 pro). After putting it correctly in NM slot in my phone and starting device I can see nothing happening in storage etc. Is there anyway to bypass this and get my unofficial card work or should I just send it back?

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SD card help needed

Hi thanks for reading my post,
I bought a 6gb microSD, slapped it in the phone and nothing. The phone doesn't recognize that there is a card in the slot. Tried AT&T technical support forum. She sent me to HTC support. Couldn't find anything there either.
I've tried the card in a friend's phone and it recognized it and asked to format it. Does anyone have a clue if there is something wrong with the phone? I would think that it should at least recognize there is a card in the slot even if it can't read it.
Anyone???
What brand of SD card did you buy? I have a Tilt and am using the Sandisk 6GB card and works like a charm. I didn't have to format it or anything.
One thing to try is go to an AT&T store and ask to see another phone. Put the card in and see what happens. If it works, have them replace the phone.
Mine too is a Sandisk. Sounds like there is something wrong with my phone. I'll take it back (still within 30 days).
Thanks.
Have you tried putting a different card in your phone? At least that way you could see if your card slot works!
You could also try formatting your 6Gb card using a PC, this sometimes helps.
Good luck.
I also have a 6gb microsdhc sandisk with my htc and it worked with no problem......

My G6 Shows 'Corrupt SD Card' Error but Fails to Format it

My G6 says that my SD card is corrupted, so when I go to format it the percentage completed immediately shows 20% then, after about 10 seconds, the formatting screen closes before it completes the format, and the whole time it shows that it's formatting it is always at 20%. Then my G6 acts as though there isn't an SD card in the phone, it only shows up again after I power cycle the phone. I have tested multiple MicroSD cards on this G6 and the same thing happens for every single one I tested, but I happen to have (limited) access to my mom's G6 and when I tested the same cards on her phone it says the SD card is corrupted, but successfully formats it and mounts it.
The MicroSD card that I would like to use with my phone is a 200gb SanDisk card.
Thanks in advance.
Update 7/2/2018
Hey, Can it be read/formatted in a computer with your sd adapter like a flash drive? if it can try reformatting it there then see if your device can recognize it. if it can't or it says corrupt / needs to be formatted and craps out... it's your SD card. it is the same one I had (probably..with red lettering on it?) That's the bad news, the good news is you can still go online and register it with SanDisk and they will send you a new one for free (cost of shipping to them the corrupt one, you have to pay.) But they will send a replacement, I think it took about 2 weeks to get one back.
Take care.
MoodSwinger said:
Hey, Can it be read/formatted in a computer with your sd adapter like a flash drive? if it can try reformatting it there then see if your device can recognize it. if it can't or it says corrupt / needs to be formatted and craps out... it's your SD card. it is the same one I had (probably..with red lettering on it?) That's the bad news, the good news is you can still go online and register it with SanDisk and they will send you a new one for free (cost of shipping to them the corrupt one, you have to pay.) But they will send a replacement, I think it took about 2 weeks to get one back.
Take care.
Click to expand...
Click to collapse
I can plug it into a computer and format it successfully, it works in literally every other device that I've tested it in, including my mom's G6. That's why I have a feeling that the problem is being caused by some sort of issue with my G6. I have tried factory resetting my G6 two times already and it failed to fix the issue. I want to root my phone, but my software version is H87211h, and the method mentioned here has (as far as I know) only been tested on devices running H87211g.
Hello there. I have same problem with my LG G6, It shows every SD Card as corrupt and tap to fix. when i try to fix and format it get stuck on 20% its been more then two months and i am unable to use the memory card on it..
There is nothing wrong with Memory cards , it is the problem with the LG G6 either it is software issue or may be due to the fact that i have changed the Sim Tray as my sim tray was broken... The Network sim card work fine only problem is the Sd Card.... If any one have the sim issue or any solution .. Please share.. Thanks
zahid046 said:
Hello there. I have same problem with my LG G6, It shows every SD Card as corrupt and tap to fix. when i try to fix and format it get stuck on 20% its been more then two months and i am unable to use the memory card on it..
There is nothing wrong with Memory cards , it is the problem with the LG G6 either it is software issue or may be due to the fact that i have changed the Sim Tray as my sim tray was broken... The Network sim card work fine only problem is the Sd Card.... If any one have the sim issue or any solution .. Please share.. Thanks
Click to expand...
Click to collapse
Same thing happened to me, my SIM Tray broke and I bought a replacement from Amazon and that's when the issue appeared.
I updated my G6 to Oreo and now it shows what command is causing the formatting app to crash. I've attached a screenshot.
OK, so with the new info (sd tray breaking) I think what happens is when the SD tray is breaking, it's getting caught up on the little pins inside that contact the SD card and bending them a bit, and then that pin or pins are screwed up so it can't read the SD, and because it detects that there is one in there, begins to format and go thru the sectors when it gets to the messed up pin it craps out because it's not reading anything so it's saying the card is corrupt at that point. You have to send it into LG for a warranty repair. I had to do this too. go on the website, register your device, tell them the SD tray broke inside and it won't read the SD card or the SIM, and you will get a repair number within 24 hrs or so. Send in the device and you will get it back about a week turnaround time.
Good luck.
Most every time I've had this issue has been after an update or switching ROMs or kernel update and usually the issue is the kernel.
So basically speaking if you have an SD card corruption after any of these particular events reflash your kernel first.
I just bought a new Samsung 256GB microSD. I copied everything from my old card onto my PC, then onto my new card, and then put the new card in my phone. Android says it's corrupt and needs formatted. I try to format it and it always gives an error saying the command failed. Put the card back in my PC (which now can't use the card either) and performed a format (without the Fast option). Android still says it's corrupt and always fails to format it. So I put my old card back in the phone, and now it says it's corrupt too...
I had noticed that when I first opened the tray door it was being janky and wouldn't come out but a half inch. After reading this and getting the error for my old card too I decided to take the tray all the way out. Wasn't easy getting it out and now it's broken. Or already was broken. I tried cutting off the broken part and put the tray back, but now it won't even see a card or my SIM. So I've ordered a new tray. Hopefully that will solve everything... Unless my pins are jacked up as suggested earlier....
Well, got a new sim tray, and now it can read the SIM fine, but every SD card still says corrupt, and it fails to format it each time.
Out of warranty -- I bet the repairs cost half what I paid for the phone (like $200, crazy sale, two years ago). Sigh.
Any other thoughts on this?
The same problem with my lg g6 dual , did you have solution ?
Thanks to everyone pointing out that broken tray that damages the pin's issue. Seems that exactly what happened to the phone I gave my mom. Little to no chance here in South Africa that we could get it repaired for any reasonable price. At least this thread stopped me hunting around for a solution to the "keeps-formatting" but not working issue. Bit of a waste that I bought a new memory card, but not the end of the world. Wasting a few hours on a lost cause is much worst.
So glad I found this...
Unfortunately I already bought a new tray to replace the broken one, but now at least I know not to spend hours and hours on an issue I couldn't possible fix myself...

NM card compatibility

Huawei released a new type of memory card called the Nano Memory card, supposedly it grants their Mate line up expandable storage through the SIM slot, allowing you to have one SIM card and using the other SIM slot for storage.
The question is, do you think this will work on our device? If anyone has access to this type of card, can anyone test it out? I think Android Oreo/Pie will have no problems detecting it as a "Micro SD card" either.
Sources:
https://www.pocket-lint.com/phones/news/huawei/146051-what-is-huawei-nm-card-and-where-to-buy
https://s.click.aliexpress.com/e/b0HjIAV2
It does not work. You need new hardware made to work with NM cards for it to work. So far, only the Mate 20 series have it.

Could the p20 lite sim tray possibly allow a micro sd card in the p20 pro?

Hey all, so looking at the sim trays for the p20 lite and the pro they seem almost identical, with the p20 like sd one looking a bit longer than the dual sim version (which matches the p20 pro one from the images I can find).
It makes sense in my mind that they would have a similar board and internal layout to save on production cost of the different models, so I'm wondering if anyone has tried the p20 lite tray in the p20 pro. I do see more contacts than just a single sim would need, however there is a dual sim model of the phone, I can't get a good enough view to see if there are any that mach up with an sd card.
I've been googling and can't seem to find any evidence of anyone else suggesting or trying this. I would greatly love to be able to put my sizeable music collection on an sd card for this phone, I knew when upgrading that it was pretty much a given that it wouldn't have a micro sd card slot but I wonder if this has potential to work, especially after discovering my music collection is larger than I thought, and with the difficulty I'm having copying it to this device, where if it had an sd card tray, I could just pop it in.
Simply, no. There is no micro SD card tray for P20 and P20 pro...
Danchibald said:
Simply, no. There is no micro SD card tray for P20 and P20 pro...
Click to expand...
Click to collapse
Has it actually been tried? There is also the mate 20, which looks similar, but there aren't nearly as many pictures to compare the two types.
The ifixit teardown pictures are relatively unhelpful in trying to see if there are also sd card contacts physically present.
I sell these phones at work. No it doesn't work (I did try just on the of chance you were correct) they are completely different internally.
marcushesketh1991 said:
I sell these phones at work. No it doesn't work (I did try just on the of chance you were correct) they are completely different internally.
Click to expand...
Click to collapse
Well, that's a shame.
You cant put micro usb to type C port. Its the same with this, the port is for a sim, not for a microSD card. )
ZeusftW97 said:
You cant put micro usb to type C port. Its the same with this, the port is for a sim, not for a microSD card. )
Click to expand...
Click to collapse
That's a horrible example, that situation is a ridiculous one, whereas manufacturers will often share parts between the same line of phones, it's cheaper to do that because you need less board revisions, you don't change the assembly line nearly as much, and you don't need to buy different parts, in this case it would be the physical pin assembly that would have the contacts for the sd card. This is already obvious since they ship the single sim units with a different tray, but you can root the phone and there's some sort of paid service to enable the second sim.

Bold N1. I cannot access the SD card.

I moved my SD card from my Samsung S7 Edge to my new Bold N1 and got a fix SD card error, so it took me to the format screen and it got up to 20% formatted and the the phone rebooted. I retryed several times, but no luck. Since it is a 200 gb card I thought it might need a 128gb card so I got one and it didn't format or recognize it either. I put the new 128gb card and into my S7 Edge and was able to format it. I have not been successful in contacting Blu (who I bought the phone from). Has anyone had this problem, or have a suggestion? Thanks very much for any info. They have a short warranty period. George
Any update on the problem?
skua123 said:
I moved my SD card from my Samsung S7 Edge to my new Bold N1 and got a fix SD card error, so it took me to the format screen and it got up to 20% formatted and the the phone rebooted. I retryed several times, but no luck. Since it is a 200 gb card I thought it might need a 128gb card so I got one and it didn't format or recognize it either. I put the new 128gb card and into my S7 Edge and was able to format it. I have not been successful in contacting Blu (who I bought the phone from). Has anyone had this problem, or have a suggestion? Thanks very much for any info. They have a short warranty period. George
Click to expand...
Click to collapse
Hello, I've been having the same exact issue that you had, the phone getting to 20% formatted and rebooting, though I only used a 128gb card as that's the max size they have listed. As it's been a while, I was hoping to see if you had any update on the issue. -Ahten
Ahten Xevious said:
Hello, I've been having the same exact issue that you had, the phone getting to 20% formatted and rebooting, though I only used a 128gb card as that's the max size they have listed. As it's been a while, I was hoping to see if you had any update on the issue. -Ahten
Click to expand...
Click to collapse
I haven't ran into that issue yet. . .
I currently have two Bold-N1, that I purchased the same day that this cellphone were launched, and never have had any issue when using it with 64GB and 128GB SDcards (Sandisk a Samsung).

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