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Have also massive problems with sdcards as portable storage. Tried different 128GB A2 V30 U3 sdcards from sandisk and transcend. None of them is working correctly in the FP4 sdcard slot. Note: all of them worked perfectly using FP3 or any Desktop PC.
Using e.g. termux to md5sum check a signal backup I get completely different results and afterwards I/O errors. A restart of the phone is needed to access the sdcard again.
Formatting sdcard sometimes work, sometimes not. I’m not 100% sure this is a hardware problem because there are similar android 11 sdcard problems reported.
My FP4 has latest android updates…
Has anyone had similar problems and found a 100% working sdcard model?
BR, Toni
Hi everyone…
I have a similar problem with my FP4 as reported by @Zr4 . My usecase is to use SD Card as external storage for apps like “Deezer”, “OsmAnd+”, the native camera app and also as native download folder. In addition I stored a bunch of extra photos to the SD Card using “MyPhone Explorer” App. First everything runs fine. Without errors Deezer stored offline content to SD card, photos are dumped without error and within the mentioned apps the paths to the storage was set up properly and app behaviour was normal. After downloading some maps, OsmAnd was the first app facing problems during download (mayby due to large file size) There was no consistent error message (i.e. cannot close file, …corrupt file… i/o error and so on). Sometimes after reboot or reinstall or both the problem was fixed and some maps could be displayed despite download error but sometimes not. Due to the “feature” of Android 11 ( restricted acces to filesystem i.e. …/android/data…) i had some handling problems with the app, therefore i first argued a problem with the app itself. But problem become worse and worse in an exponential manner and expanded to the other apps: deezer was not able to open offline content , dumped photos cannot be read anymore and the camera app was not able to store a photo. My SD Card is a SanDisk Extreme 512GB XC1 U3 A2 and I used it fresh out of the box without any additional treatment or formatting. I now run the hints described in this stream and give more infos later if the problem could be fixed…
Update: Have bought a new Samsung EVO Plus SD Card
microSDXC UHS-I Class(10) U3 4KUltra HD
- formatting OK
- data copy OK
- no I/O errors during md5sum check of a big signal backup (~ 4GB)
Looks like there is a problem using SD cards from SanDisk and Transcend (128GB A2 V30 U3)
I will report an update in a few days, if this sd card is now stable.
Of course this is only a workaround - the incompatibilities to SanDisk and Transcend SD cards still needs to be fixed by google/fairphone!
BR, Toni
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same problem here with a SD card. i formatted the card then put in the FP4, the FP4 said to me that the card is corrupted, so i proceed again with formatting the card in the FP4.
After couple of weeks it’s happen that the phone froze and reboot in a safety mode.
after a lot of switch on and off the phone started working but very slow, impossible to every app.
so today i decide to try to remove the sd card and the phone start to working perfectly…
Hi and welcome to the forum.
More detail may be useful
a) which card are you using ?
b) how did you initially format it ?
c) when you formatted it in the phone was it as a portable drive or an extension to the internal memory?
Hi, and marry Christmas,
Sundisk extreme 128 GB.
Use it for extension memory
Formatted on my old phone and again on the FP4.
Alex
first I think you should not format on the FP4 again.
Second at the moment it seems there are explicitly issues with SanDisk SD cards some Samsung Evo seem to work properly
the FP4 that told me to format the card because “the card is corrupt” . this is happen The first time I put the card in it.
The card was formatted on the old phone, so when I put inside in the FP4 is like brand new
Update: I can confirm the
256GB Samsung EVO Plus SD Card
microSDXC UHS-I Class(10) U3 4KUltra HD
is working without any I/O problems.
In the meantime I have updated my Fairphone4 with the newest release and retried the Sandisk Extreme 128GB SDXC V30 U3 A2. Still same I/O errors - still unusable. The Sandisk SD card works in other PCs without any problems!
BR, Toni
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Hi, I can confirm the results of @astx and @bluefire . I also tried a Samsung EVO Plus 256GB U3 A2 V30 and it works so far with my FP4. Without formatting I use it as mobile/external memory, and the apps (OsmAnd+, Deezer, native Camera/Foto App) have no issues, large amounts of data can be stored and read without problems, So on one hand I’m happy that I finally have a working combo (and no defect SD Card slot) but on the other hand its a bit unsatisfying to know that there is a major bug either in FP4 or in Android 11 accessing SD Cards from certain manufacturers.
I cant get the SanDisk SD to work with my FP4. I formatted it in another smartphone (Samsung Galaxy S5) crosschecked with Windows 10 PC and had some tests but it seems that there are heavy issues especially with reading files and recognizing the SD Card by the FP4 because all ever written files to this card can be seen on Win10 PC.
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After some time of testing, I have to admit that my SanDisk (Extreme microSDXC UHS-I A2, 128 GB) fell back to its previous bad habits, including the I/O errors. In fact, it is more probable that the error persisted all the time and I just didn’t recognize it with my use pattern. As reported elsewhere (Fp4 and SD card - #5 by F.Sowa), my BugReport folder is also full of those 0 byte txt files indicating some sort of storage error and larger files won’t copy (anymore). So formatting the SD card in another phone as suggested by @Chris_R may not be the ultimate solution, I’m afraid. I’ll chance my luck with a Samsung card now. Has anybody contacted support yet? If not, I can take care of that.
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Please contact support so they hear this is a common if not default issue
Thanks for the update.
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Done. I’ll keep you updated.
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I am using a ‘microSDXC-Karte Evo Plus 512 GB’ and I initially decided to use it as internal storage and that worked fine with some exceptions (storage information in the android settings were weird as it showed the card having 499 GB of 1 TB used at all times no matter what. The phones total storage was displayed correctly, but as used…) Then I decided to switch it to mobile storage and now after formatting I get the permanent notification that the sd card is not supported… What the hell.
I’m interested in your support reply.
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This could also be some hiccup from the previous internal format. Have you tried formatting it externally using another phone or computer before configuring it as external storage?
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I also have issues using SD cards with two Fairphone 4’s. I have tried
SanDisk Ultra 128 GB microSDHC Memory Card + SD Adapter with A1 App Performance Up to 120 MB/s, Class 10, U1 (Twin Pack). After seeing the initial prompts from Android about slow performance, I tried
SanDisk Extreme Pro 128GB microSDXC Memory Card 170MB/s Class 10, UHS-I, U3, V30
However, this seems to have made things worse, with 1 phone seeing the card is missing/corrupt and the other reporting errors using the cards. I have only just found these forum posts and the “recommendations” not to use SD Cards as internal storage, so I’d already done that. However, I’m somewhat bemused how Fairphone can sell a phone with an option which is so clearly inadvisable and not include something in the packaging as a warning if they’re not going to remove the option in the OS.
There seems to be mixed reports on Samsung cards working. Are there any confirmed reports of success with the Samsung Evo plus 128GB Micro SD SDXC Class 10 memory card U3 100MB/S (MB-MC128HA APC)? FYI I have raised case 485888 with Fairphone support. However, if I can fix it with a known working card rather than waiting for 5 days I would love to do that!
Thanks for your help.
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I haven’t followed this thread. But for what it’s worth, I have a Kingston Canvas Select Plus microSD Card 10 UHS-I - 512GB. I use it as portable storage (movies, music, offline music/Google Maps, etc.).
In the beginning I couldn’t format this SD card on my phone. It failed at around 20% in the format process. After I formatted the SD card on my computer to exFAT I was able to successfully format it on my phone and it works without issues now.
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Nah I have spent the whole day now reformatting and reformatting this damn SD card and it won’t accept it. What a joke. No wonder why other manufacturers don’t use SD card slots anymore, because those things are a pain in the ass.
I have done the same like you. What do you use as allocation size for exFAT formatting? For me it won’t work no matter what I do and it fails on 20% on the phone.