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SD Card corrupt error - Moto G5, Android 7

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  SD Card corrupt error - Moto G5, Android 7 Biggles <news@packaging.the-shillings.net> - 2017-06-12 17:55 +0100
    Re: SD Card corrupt error - Moto G5, Android 7 nospam <nospam@nospam.invalid> - 2017-06-12 14:15 -0400
    Re: SD Card corrupt error - Moto G5, Android 7 Robert Marshall <spam@capuchin.co.uk> - 2017-06-12 21:03 +0100
    Re: SD Card corrupt error - Moto G5, Android 7 Frank Slootweg <this@ddress.is.invalid> - 2017-06-13 13:47 +0000

#43503 — SD Card corrupt error - Moto G5, Android 7

We have two Moto G5 phones, both with 64GB micro SD cards for additional 
storage, formatted to store files (i.e. so that the cards can be read in 
a PC or another device. Several times now, on both phones, on starting 
the phone from OFF, Android reports the SD card as corrupt and says "tap 
to fix". Well the "fix" is to reformat the card, so hardly a fix. 
Anyhow, the "corrupt" cards read OK in Windows 10 on laptop, and copying 
the data in Windows then reformatting the card in Android seems to fix 
the problem, then a couple of restarts later the card is reported again 
as "corrupt". In frustration I have tried switching the phone off and on 
again, and this usually clears the error, not always on the first power 
cycle, but usually by the third.

We don't tend to switch our phones off very often, but it is very 
irritating to have to power cycle the phone several times to get the 
card recognised. Has anyone else had this problem - I'm trying to figure 
out whether it is Moto hardware, Android software, SD card or a 
combination which is causing the problem. We are using two SD cards from 
the same manufacturer, and I have tried one from a different 
manufacturer which "seems" to not suffer from the same issue, but as it 
is intermittent it's difficult to be sure.

Never had a problem with my previous phone which was Android 5 but only 
16GB SD card.

Has anyone else had this problem with SD cards in phones?

Cheers
Biggles

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#43508

In article <ohmgrm$u7f$1@dont-email.me>, Biggles
<news@packaging.the-shillings.net> wrote:

> We have two Moto G5 phones, both with 64GB micro SD cards for additional 
> storage, formatted to store files (i.e. so that the cards can be read in 
> a PC or another device. Several times now, on both phones, on starting 
> the phone from OFF, Android reports the SD card as corrupt and says "tap 
> to fix". Well the "fix" is to reformat the card, so hardly a fix. 
> Anyhow, the "corrupt" cards read OK in Windows 10 on laptop, and copying 
> the data in Windows then reformatting the card in Android seems to fix 
> the problem, then a couple of restarts later the card is reported again 
> as "corrupt". In frustration I have tried switching the phone off and on 
> again, and this usually clears the error, not always on the first power 
> cycle, but usually by the third.

that sounds like a marginally defective card. windows doesn't give a
shit about errors (no surprise there) or isn't hitting the spots that
do have errors, while android is.

replace the card.

> We don't tend to switch our phones off very often, but it is very 
> irritating to have to power cycle the phone several times to get the 
> card recognised. Has anyone else had this problem - I'm trying to figure 
> out whether it is Moto hardware, Android software, SD card or a 
> combination which is causing the problem. We are using two SD cards from 
> the same manufacturer, and I have tried one from a different 
> manufacturer which "seems" to not suffer from the same issue, but as it 
> is intermittent it's difficult to be sure.

further evidence it's the card.

> Never had a problem with my previous phone which was Android 5 but only 
> 16GB SD card.

that's different card and a different phone.

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#43517

On Mon, Jun 12 2017, Biggles <news@packaging.the-shillings.net> wrote:

> We have two Moto G5 phones, both with 64GB micro SD cards for
> additional storage, formatted to store files (i.e. so that the cards
> can be read in a PC or another device. Several times now, on both
> phones, on starting the phone from OFF, Android reports the SD card as
> corrupt and says "tap to fix". Well the "fix" is to reformat the card,
> so hardly a fix. Anyhow, the "corrupt" cards read OK in Windows 10 on
> laptop, and copying the data in Windows then reformatting the card in
> Android seems to fix the problem, then a couple of restarts later the
> card is reported again as "corrupt". In frustration I have tried
> switching the phone off and on again, and this usually clears the
> error, not always on the first power cycle, but usually by the third.
>
>
> Has anyone else had this problem with SD cards in phones?
>

I've seen this problem with a moto g5 and 32GB card, my suspicions are
about the card, though I've already done one replacement - there's
sometimes also errors on music tracks on the card - when it's been
successfully recognised. Yes and a second reboot clears it for me -
never had to go to a third.

Robert
-- 
La grenouille songe..dans son château d'eau

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#43548

Biggles <news@packaging.the-shillings.net> wrote:
> We have two Moto G5 phones, both with 64GB micro SD cards for additional 
> storage, formatted to store files (i.e. so that the cards can be read in 
> a PC or another device. Several times now, on both phones, on starting 
> the phone from OFF, Android reports the SD card as corrupt and says "tap 
> to fix". Well the "fix" is to reformat the card, so hardly a fix. 
> Anyhow, the "corrupt" cards read OK in Windows 10 on laptop, and copying 
> the data in Windows then reformatting the card in Android seems to fix 
> the problem, then a couple of restarts later the card is reported again 
> as "corrupt". In frustration I have tried switching the phone off and on 
> again, and this usually clears the error, not always on the first power 
> cycle, but usually by the third.

  Are you sure that the phones support 64GB MicroSD cards? 

  Your 16GB cards are SDHC cards. SDHC cards go upto 32GB.

  A 64GB card is a SDXC card and hence your devices must be compatible
with that standard.

  If your phones are incompatible with 64GB SDXC cards, I would expect
them to not accept the cards are all, but stranger things have happened.

  If your phones are incompatible, but do accept the cards, then the
problem might occur when the phones try to write to an area above 32GB.

  If you're not sure, then lookup the specs for your device. IME, the
manufacturers manuals are totally useless for this and the manufacturers
website is mostly useless for this.

  IME, <http://www.gsmarena.com> is a good source for these kind of
technical specifications.

  If "Moto G5" is a sufficiently exact product indentification, then
gsmarena says it supports upto 256GB cards, so 64GB *should* not be a
problem.

  Anyway, I recently posted here about a similar problem with a camera
which also could only be 'solved' by using a different type of card.

[...]

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