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SylverReZ
SylverReZ
Welcome back Nico. Hope your family is doing well. 
Nikokaro
Thank you. Actually I am so-so.
I'm on my lunch break now. It is as I feared. But is there an apk for Android that will reveal the true capacity of the key when connected to the phone? How will I prove if it is a fake? No, I don't have a decent PC at my disposal.
I'm on my lunch break now. It is as I feared. But is there an apk for Android that will reveal the true capacity of the key when connected to the phone? How will I prove if it is a fake? No, I don't have a decent PC at my disposal.
SylverReZ
I don't know, I am not familiar with Android devices. If you want to determine the true capacity, then use "h2testw" or "FakeFlashTest" on Windows.
Nikokaro
I was altrady expecting this answer. Unfortunately, I only have an old Windows XP and I already know that it does not detect partitions of a 1 TB and more: and maybe those softwares would not even work there. 
Nikokaro
@SylverReZ , can you give me a link for a reliable site to download h2testw? Then I'll ask the neighbor if I can try it on his pc. How long does it take to test a 1TB Key? Is there any risk for the PC used? Thanks for everything. 
Nikokaro
Are you sure this site is reliable? If I bring some virus to my neighbor's PC, you will answer in court!!! 
Joke. 
I hope to test 1TB won't take a day: my neighbor won't like that.
Joke. I hope to test 1TB won't take a day: my neighbor won't like that.
SylverReZ
Softpedia, I've always used in years and has always been reliable. So yes, its safe.
KleinesSinchen
As far as I know h2testw was written by somebody from Heise Verlag (c't magazine).
If you prefer this:
https://www.heise.de/download/product/h2testw-50539
I'd guess the program runs just fine under Windows XP. The expected bottleneck in speed is not the PC (assuming it has USB 2.0), but the flash drive. Cheap, unreliable things tend to get warm/hot and greatly reduce speed on long write operations.
If you prefer this:
https://www.heise.de/download/product/h2testw-50539
I'd guess the program runs just fine under Windows XP. The expected bottleneck in speed is not the PC (assuming it has USB 2.0), but the flash drive. Cheap, unreliable things tend to get warm/hot and greatly reduce speed on long write operations.
KleinesSinchen
Unless the stick comes with GPT instead of classic MBR partition table, XP should mount/access/show it by default. For accessing exFAT file system an update is required. I would NOT recommend bringing your old laptop to latest XP patchlevel. This WILL reduce performance (and you should use it offline only anyway)
Somebody should port the F3/h2testw functionality to Android. Doesn't sound too complex.
Somebody should port the F3/h2testw functionality to Android. Doesn't sound too complex.
Nikokaro
Hi @KleinesSinchen. It's a pleasure to hear from you. I found this Android application, but who knows if it's reliable... https://www.google.com/amp/s/m.apkpure.com/flash-drive-size-check/ua.motorny.flashdrivecheck/amp Even if it wasn't truly a 1TB key, about 600GB would be fine. If much less, I'll return it! 
I found this Android application, but who knows if it's reliable... https://www.google.com/amp/s/m.apkpure.com/flash-drive-size-check/ua.motorny.flashdrivecheck/amp Even if it wasn't truly a 1TB key, about 600GB would be fine. If much less, I'll return it!
Nikokaro
As for porting h2testw to Android, it's strange that no one has thought of this before, given how useful it is. Maybe I'll post a special thread later, to solicit some willing programmer to do it. 
KleinesSinchen
"Even if it wasn't truly a 1TB key, about 600GB would be fine."
Do you want to rely on condoms that have no leaks on 60% of the surface? → →
↓↓↓↓
Do you want to rely on condoms that have no leaks on 60% of the surface? →
→ ↓↓↓↓
KleinesSinchen
You never know what the memory controller does on writing. It might overwrite (mirrored addresses) data when using seemingly empty space. Even defining a smaller partition this isn't guaranteed to not leak into the void.
Flash memory failing h2testw is scrap electronics!
Besides: Scammers use the cheapest chips they can get in large quantity. A few years ago 4GB, nowadays probably 32GB or 128GB if you are "lucky".
Flash memory failing h2testw is scrap electronics!
Besides: Scammers use the cheapest chips they can get in large quantity. A few years ago 4GB, nowadays probably 32GB or 128GB if you are "lucky".
KleinesSinchen
*Sigh* Another "
"…
While we are at it: Cheap USB sticks and SD cards (even with correct capacity) tend to go bad from one second to another for no apparent reason. They might corrupt, lose data and work again after reformatting or simply not be detected anymore.
They are not archival or long-term media.
Please use different kinds of media: HDD, SSD, BD (M-Disc) and multiple copies.
"…While we are at it: Cheap USB sticks and SD cards (even with correct capacity) tend to go bad from one second to another for no apparent reason. They might corrupt, lose data and work again after reformatting or simply not be detected anymore.
They are not archival or long-term media.
Please use different kinds of media: HDD, SSD, BD (M-Disc) and multiple copies.
Nikokaro
By "
" I meant that I am sad, embittered, disappointed by my (possible) naive mistake: if it turns out to be an 32GB key(or less), I will react like this: 
Instead for your kind interventions, here they're:
" I meant that I am sad, embittered, disappointed by my (possible) naive mistake: if it turns out to be an 32GB key(or less), I will react like this: Instead for your kind interventions, here they're:
Nikokaro
After investigating this topic, I believe it will not be possible to test a USB Key from phone: 1) Reading speed via otg too slow; 2) Fast battery consumption; 3) Inability to keep it on charge while testing (only one microUSB port).
KleinesSinchen
Oh no. Didn't even think of battery problems. → 
Does this still leave any doubts why I tried convincing you in getting a proper computer… just to get told off?
You don’t like PCs. Fine. I never said you should marry one. It is just a tool.
Does this still leave any doubts why I tried convincing you in getting a proper computer… just to get told off?
You don’t like PCs. Fine. I never said you should marry one. It is just a tool.
KleinesSinchen
Next up: Charging a phone with induction while using the single USB port for something else. → 
That said, for huge flash memory a lot of time is needed. There really should be an option to pause the writing/verifying process. Your modern(!) phone shouldn’t be the bottleneck. Really. Take an external HDD and copy a big file to it. Shouldn’t take long.
That said, for huge flash memory a lot of time is needed. There really should be an option to pause the writing/verifying process. Your modern(!) phone shouldn’t be the bottleneck. Really. Take an external HDD and copy a big file to it. Shouldn’t take long.