Internal Storage disappears

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the internal storage is shown as "not installed"
what should i do?

Its says not installed, when you are connected your phone with your computer. When you disconnet, and then check on your phone, your internal storage is back again, so don't be afraid ! This will happen when u connect through disk drive

unfortunately the "internal storage" of my Diamond disappeared not only when connected via USB as a harddisc.
I`ve tried to hard reset the device a few times, have tried to clear(format) the internal storage (could not be done because the nand drive was not found).
I think - at least in my case - it must be a hardware problem and I have to return my Diamond and get a new one.

@moto0001:

You, you don't have to return it.
I spended my whole day today with this Problem. I have a german MDA Compact IV.
And I produced the same problem, that you have.

My problem was, that I connected the MDA IV to a Computer in my Company. This Computers have a HDD-Encryption from Safeguard.

After connectin it, the NAND-Storage was gone. There was no possibility in getting it back, as described here.

I (and you too, for sure) know, that there is a way to get this device back to the factory defaults, by typing on "settings-->System-->Erase Memory (hope, this is the right translation, since I use a german device).

Here you come to a drop down menu. And can select "format internal storage". Then you get the error message: No NAND device found.

Had the same problem.....

The ONLY solution for this:

While the device is turned on:

Remove the Backplate and pull out the pen.

* Press "Volume down" and "Enter" at the same time.
* HOLD this two buttons pressed down, while you use the pen to press the red "Soft-Reset-Button".
* release the red Button an keep the other two buttons pressed. I know, it's a bit tricky to get this realized.
* You will see the display changing to "rainbow-colours" for a short moment. When this happens, you can release the two buttons ("Volume down" and "Enter").
* After that you get a grey screen with blue fonts on it.

* No comes the interesting part:
* If you press "Volume up", you get a factory reset, WITHOUT any changes beeing made at the NAND
* If you press "Volume down", you get a factory reset, WITH erasing the NAND and new formatting it.

* After two "progress bars" in blue colour, you will be asked to push the "Volume up" button for Booting the device.

Thats it !!!

Wait and wonder, that your NAND will be back in place

Too sad, that noone from the Hotliners, can tell this ti the customers....

Hope I gave you this answer BEFORE you sent in your device.

Greetings from Cologne,

Arniebirdy

HTC has a hotfix for this on their website.

@CorneliusCrisco:

You are right, but this fix only works for the "sprint" version of the Diamond.
If you try to install this fix on another version of the Diamond, you get an error-message, that this fix is not compatible with you device.

Thats why I talked this workaround.

Greetings from Cologne,

Arniebirdy