Just bought a 64GB SD card from Amazon. I'm trying to test

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Anonymous
2016-05-06 07:57:42 Post No. 54404924
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Anonymous 2016-05-06 07:57:42 Post No. 54404924 [Report]

Just bought a 64GB SD card from Amazon. I'm trying to test if it's a fake, but don't have a pc, only a phone. I installed the SD Insight app, but it says the card is unknown. Apparently if it's unknown, then it's supposed to be fake.

Except the card I purchased from Amazon had a ton of good reviews.

I'm obviously can only do limited testing without a pc, but I did take a 1.5MB picture and duplicate it a bunch of times. Took over an hour, but I've got the card sitting at about 90% capacity with a shitload of duplicate images. I rebooted my phone and tried opening the images at random. They all seem to be working.

What gives? Is the SD Insight app simply not always correct, and sometimes shows a legitimate card as unknown?

Pic related, it's the card I purchased.

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Anonymous 2016-05-06 08:00:30 Post No.54404948
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Anonymous 2016-05-06 08:00:30 Post No.54404948 [Report]

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>>54404924
Pic related is of SD Insight, showing my card's capacity at 63GB, about what I'd expect.

Don't ask why I'm up at 9 in the morning.. couldn't sleep.

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Anonymous 2016-05-06 08:04:40 Post No.54404977
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Anonymous 2016-05-06 08:04:40 Post No.54404977 [Report]

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>>54404924
>Just bought a 64GB SD card from Amazon. I'm trying to test if it's a fake

Copy 60 gigabytes data to it? You won't actually be able to fit 64gb because all types of storage will cuck you out of a little bit.

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Anonymous 2016-05-06 08:05:17 Post No.54404982
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Anonymous 2016-05-06 08:05:17 Post No.54404982 [Report]

>>54404948
>63GB
>not 64GB as advertised

It's fake dude.

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Anonymous 2016-05-06 08:14:27 Post No.54405044
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Anonymous 2016-05-06 08:14:27 Post No.54405044 [Report]

>>54404977
Read the thread, I already did that. Was just wondering if there was another way to test it using only my phone.

>>54404982
Low quality bait

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Anonymous 2016-05-06 08:14:57 Post No.54405047
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Anonymous 2016-05-06 08:14:57 Post No.54405047 [Report]

try this:
http://projects.nuschkys.net/2012/05/15/testing-a-new-sd-card-under-linux/
Install Busybox for Android, if you don't have dd.

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Anonymous 2016-05-06 08:23:18 Post No.54405120
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Anonymous 2016-05-06 08:23:18 Post No.54405120 [Report]

>>54405047
BusyBox apparently requires root though. The phone is non-rooted.

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Anonymous 2016-05-06 08:26:37 Post No.54405149
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Anonymous 2016-05-06 08:26:37 Post No.54405149 [Report]

>>54405120
Connect to a wireless connection.
Plug it to the wall.
Download Torrents until full.

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Anonymous 2016-05-06 08:51:10 Post No.54405312
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Anonymous 2016-05-06 08:51:10 Post No.54405312 [Report]

>>54405149
>Download torrents until full
I have already copy-pasted a file until the card is full, wouldn't downloading torrents achieve the same thing?