yashsingh1/xdaforums huggingface dataset:
[HD7 General] Atavachron:
@derekcranson

Job very well done mate! Thx for your contributions and pls keep us posted.

News so far so good and its highly promising. Important thing is, how the personalization process will grow up and will we benefit from it? Anyways, im am soo buying this machine...
[HD7 General] krjcook:
The OS is on the ROM. If your remove the card you can still use the phone.
[HD7 General] dacunto:
dumb question

How do I do the "hard reset?" i know how to do it by going through the settings menu but I assume I can't do that when I put a new mirco sd card in. Thanks..
[HD7 General] seewhy:
Hold volume button (either up or down) and press power button.
[HD7 General] dacunto:
Thanks for the quick reply. I'm coming from the world of blackberry so need to relearn some stuff. :)
[HD7 General] kwill:
So, how much memory is actually on the HD7? The tmobile website advertises as 16 gb built in. Is that a 16 gb card that they are referring to? Or is it 16 built in and then a 16 gb storage card?
[HD7 General] JEEtoP:
Amusingly O2 UK's online shop lists a 2GB + 8GB Toshiba SD Card package under HD7 accessories.

You can even check the compatibility with your handset on the product info page and the HD7 is listed :p
[HD7 General] ThePhoenixUK:
The Phone's OS is stored on the built in 512MB Chip, and the model contains a 16GB Memory Card, if you would like to check yours power off the device, power back on while holding Volume Down, this will load the bootloader typical of a HTC Device, wait a sec and you will see the Memory Card Information load a little farther down the screen, mine for example shows a 16GB Class 2 Memory Card.

Jamie
[HD7 General] MHC48:
It sure would be interesting to find out (from anyone who has a WP7 phone which most of us in the US can't yet) whether there is an improvement in performance going from a class 0 or 2 card to a class 6.

What would be the easiest/best way to test that?
[HD7 General] schAko:
maybe by testing with startup times of intense games.

Mine is on its way from o2 germany, but i will stick with the 16GB which is enough for now...
[HD7 General] pencilcase:
could you maybe provide some additional pictures of the bottom cover so I can check where the clips are to not break them off? any suggestions on how to get this off the easiest?

My class 4 32GB card should be here tomorrow, not sure yet whats inside currently but will test some load times today and again once I have upgraded it.

Will use about 5 different apps/games to test with to get some proper results.

the harvest - 15 secs

- loading my current level - 52 secs

- load new game 15 secs

bye bye brain - 15 secs

star wars - 11 secs

twitter - 5 secs

be aware i only had a normal clock beside me so these times might not be the "exact" times

will update once i have upgraded my card.
[HD7 General] loomx:
What class 4 card did you order?

Iv been looking the only one I can find is the Kingston one?

Is that any good?
[HD7 General] brummiesteven:
Sorry, Ignore this post, put it in the wrong thread.
[HD7 General] pencilcase:
yeah thats the one i got, i do not know yet, its somewhere in the mail supposedly arriving tomorrow, will do some further tests then to see if speeds improved.
[HD7 General] loomx:
Excelent thanks, I also found this one, http://www.mymemory.co.uk/Micro-SDHC/MyMemory/MyMemory-32GB-Micro-SD-(SDHC)-Card---Class-4

Any views on it?
[HD7 General] pencilcase:
ok .. so I actually managed to NOT have to remove the void sticker. its slightly more fiddling work but it works.

You simply need to remove the bottom part and then just slightly bend up the bottom part of the plastic once the bottom screws are out.

The tricky part is holding down the sticky part once sliding in the new card .. took me a few minutes.

currently starting up the phone with the 32gb cl4 Kingston card but it seems the o2 version of the phone has a 16gb class 4 card inside already! will report back later once the phone is done setting up, synching etc.
[HD7 General] pkoper:
It actually does work.
[HD7 General] pencilcase:
how long did your first boot take after you were done? mine is still installing some apps ...
[HD7 General] Jonno2343:
Wow, looks great!

Would love to know if you've noticed any increase (or decrease) in performance.
[HD7 General] johnnydesilva:
How did you remove the back panel? I tried but I don't think i can do it with out damaging the cover. Do use any special tools? If possible could you post a youtbe video on how to?

Thanks
[HD7 General] diablos991:
Do you have an ETA for your load time analysis?
[HD7 General] pencilcase:
i slid something flat underneath and then lifted it up from the right side ( side where the 7 of HD7 is) it feels like you are going to break it though. the clips are located not under the cover but they rather slide in between the phone and the frame. don't have a cam here to make the video though, sorry.

btw turns out my 32gb card was really broken/defect so I have to send it back again .. yay to that :(
[HD7 General] badboy70:
Can someone make a video of how to remove the backcover and opening the micro sd slot without removing the void sticker?

I'm getting my HD7 next week and I'd like to follow a tutorial on how to replace the SD card :)
[HD7 General] lumpaywk:
This looks to be well worth doing however, i am confident in the process of swapping the card over but i am proper stupid when it comes to sd cards.

is the higher class number the better the card? what is the card type is it just micro sd or is it sdhc? will it effect performance in any way?

This last one I'm guessing would take time to get feedback on but it would be good maybe once this is confirmed to work with out loss of performance to get an idiots guide with photos of each step and maybe links to good cards.
[HD7 General] ace10134:
1) Yes, the higher Class #, the "better" the card. The class number is a measure of how fast the card can read/write data. Higher classes can transfer data faster, which makes performance better.

2) They are SDHC cards.

3) Yes, it should effect performance hopefully! Buy a Class 4 or greater card (the HD7 usually comes with a Class 2) and you should see an improvement in app loading speeds. Go with a Class 6 if possible! I actually haven't heard if the higher classes have had real life performance increases yet, but theoretically, it should improve the performance.
[HD7 General] lumpaywk:
Cheers for the info :) regards point 3 this makes me smile i was just hoping it wouldn't cripple it lol I think i know what im getting myself for an early xmas present.
[HD7 General] digime:
I'd also love to see some performance comparisons.

Ideally it would be good to test out something like a Transcend 16GB SDHC Class 10 card as well. Cheap and potentially very fast.
[HD7 General] FreeDee:
Are you sure Transcend offers a 16 GB MICRO SDHC Class 10 card? There are not very many Class 10 Micro SD cards around, one example would be this one: http://www.amazon.com/Kingston-Class-MicroSD-SDC10-16GBSP/dp/B0036V5DGG
[HD7 General] JEEtoP:
I had a go at getting at my card earlier and managed relatively easily to do it without touching the void sticker.

If you remove the two back panels and then all screws except the void sticker one there is enough flex in the plastic shell to bend it upwards so you have enough room to eject the card.

The trickiest part is keeping the sticky tape out of the way when re-inserting the card again.

Just to confirm as I've seen a few different stats around this thread, the UK O2 HD7's are shipping with a Sandisk 16GB Class 4 microSD card. This is despite the bootloader showing class 0.

I havn't swapped mine yet as I will not be replacing it with anything less than a 32GB Kingston/Sandisk class 4 but I will wait for the 32GB prices to drop a bit first!
[HD7 General] Tejstar:
Good to know, but how do you remove the bottom cover (where HD7 is written). Any detailed steps would be much appreciated. It always seems like it will snap when I try and remove it!
[HD7 General] JEEtoP:
It is a bit fiddly and secured well but I wouldn't worry to much about snapping it if you're careful.

I used a small, about 0.5mm, precision screwdriver which could easily slide underneath the cover. Insert it right up to the outside edge and gently lever it outwards, a rocking motion works well.

It is secured by embossed bumps which fit into indents in the devices metal surround and not the same plastic clips used on the upper battery cover so you can't really brake them.

Eventually it will pop out with enough leverage and you can work your way around the edge.

I can do a quick video if anyone wants...?
[HD7 General] brummiesteven:
How are Integral for Memory Cards?

http://www.lowpricememory.co.uk/integral-32gb-class-4-micro-sdhc-memory-card-adaptor-c-29-p-807

I've used the site before a few times and they're great, infact I've got all my memory cards from there (never wanted to use Ebay because of fakes and they're cheaper than options like Argos, Currys etc).

I've just sold my HTC Desire so I might go for this 32GB Card while it's reduced to only £54.
[HD7 General] JEEtoP:
I've been having a look at that card as well but could not find anything, literally, regarding Integral cards and their performance/reliability so am quite hesitant about them.

I't just seems the sensible choice to go with a proven quantity such as Kingston/Sandisk I feel.
[HD7 General] Avandor:
We'd love to, thanks mate.
[HD7 General] lemonspeakers:
I agree with the person above. All this talking but its' very hard to understand.

It'd be great if you can make a video. Thanks!
[HD7 General] digime:
Yep, you're right, my mistake. In microSD they are class 6 and not cheap. Still, if anyone has one lying around a speed comparison would be interesting.
[HD7 General] JEEtoP:
Video Of microSDHC Card Removal - Warranty Intact!

OK, here's my video of the disassembly.

You need a 0.6 Torx driver to remove the screws and I used a 0.5mm flat headed driver to help me remove the panels and manipulate the tape and the card.

I tried to show the key aspects - Hope it helps!

[YOUTUBE]8EcGUX3NwnQ[/YOUTUBE]
[HD7 General] DAVIZINHO:
thanks for the video.

now it will be very interesting to see a performance comparation, like launching aplications or games, between:

- omnia7

- hd7 with serial sdcard

- hd7 with better sdcard
[HD7 General] mchd2:
call me crazy, but where is the video?
[HD7 General] ace10134:
Are you on your phone or a browser that doesn't have flash?

He embedded the YouTube video into his post, but here's the direct link: http://www.youtube.com/watch?v=8EcGUX3NwnQ&feature=player_embedded
[HD7 General] badboy70:
Thanks!

NOw I need to wait for my HD7 and buy myself a bigger card, and a 0.6 Torx.
[HD7 General] ratchetjaw:
Nice video, thanks and yes it does help :-)
[HD7 General] JEEtoP:
I managed to find the Kingston 32GB Class 4 cards on sale for £81 delivered so have decided to treat myself.

It's due Tuesday so I will do a video of loading a selection of apps/games on the stock card and then the same apps/games after upgrading to the 32GB card.

I got it from Okobe.co.uk, I've never used them before but they have a 9.3/10 rating out of 846 reviews from Trust Pilot so I don't expect any problems.

http://www.okobe.co.uk/ws/product/Kingston+SDC432GBSP+32GB+microSD+High+Capacity+microSDHC/1000035427?ref=pr
[HD7 General] ace10134:
awesome, can't wait to see the results!
[HD7 General] theclueless:
awesome!

replaced my 16gb sdcard with the 32gb one without voiding the warranty

thank you!
[HD7 General] Matt Wolf:
Awesome. Which class is your 32GB card? Notice any performance benefits?
[HD7 General] theclueless:
its a class 2, but i dont really feel any performance decrease... in fact it feels a bit snappier than the original 16gb sandisk sdcard
[HD7 General] Matt Wolf:
I second that. I'm very interested in seeing the comparisons. I came across a post where the user compared different micro sd cards on his HD2 and came across some adverse results on the class 4 Kingston 32 GB. I'm hoping that the results will be better on WP7. Here's the link:

forums.t-mobile.com/t5/HTC-HD2/My-experiences-with-multiple-32GB-Micro-SD-cards/m-p/541389
[HD7 General] thoriig:
mod works great. i used 32 gb sandisk class 2 from my sgs.

replaced sd card before the first boot, then boot, do factory reset (settings -> info), done.

sync music/movies, bought some games, 14.9 gb gone.

16gb stock is a no go :P
[HD7 General] JEEtoP:
I second that, my Kingston 32GB Class 4 card which arrived yesterday was completely useless in my HD7.

I think pencilcase had a dead card as well .

I must admit I never tested read/write speeds on my PC beforehand but running through the WP7 first setup it was really slow inbetween loading each stage and the last "Installing Apps" screen hung around for like 40 minutes before I killed it. It was in no way suitable and looking in the Zune software I could see it managed to copy about 0.04GB in 40 minutes!

I've now replaced it with a Sandisk Class 2 after the reviews I've been reading including that one you linked to.

I still plan to do my comparison video once I have it installed, I've already shot the stock cards performance.
[HD7 General] Matt Wolf:
Interesting and I'm sorry to hear that the Kingston card didn't work out. What's up with these Kingston cards? They are a reputable brand name and I don't understand how their performance could be so shotty. I would still be keen to see the results of the comparison as I'm in the process of deciding which card to get for my soon-to-arrive HD7. I'm leaning towards the 32GB Class 2 Sandisk. Looking at various benchmarks, I'm comforted by the fact that Sandisk is prone to understating their "class rank". What was the Class of the Sandisk that shipped with your HD7?
[HD7 General] JEEtoP:
My stock card was Sandisk 16GB Class 4, which is why I went for the Class 4 Kinston. But like you say the benchmarks of the Sandisk Class 2 seem to outperform it's class rating and it sounds like others are using that card with no performance degradation.
[HD7 General] pencilcase:
my replacement kingston card should be here tomorrow, will report back then ...
[HD7 General] digime:
Interesting suggestion of a possible fix for microSD reliability issues over on Windows Phone Secrets:

http://windowsphonesecrets.com/2010/11/08/att-alert-do-not-install-microsd-in-samsung-focus-yet/

The comments also seem to show lots of people are having problems with the Kingston 32GB card.
[HD7 General] JEEtoP:
That reads like it's a Focus specific fix although I may be wrong.

One thing for sure, avoid Kingston's 32GB Class 4 cards!
[HD7 General] digime:
Yep, but it may read that way becuase the Focus is the only phone that has an accessible card slot. I'm hopefull a patch would benefit the HD7 as well.
[HD7 General] JEEtoP:
Good point.

It would be great if what's happened with the Focus and the seemingly large number of people upgrading their cards anyway have kind of forced Microsoft's hand to work on supporting it better within the OS.... we can only hope.
[HD7 General] dacunto:
Anyone know the correct size tool to use to remove the small screws?
[HD7 General] JEEtoP:
Torx size is 0.6
[HD7 General] dacunto:
thanks! that was quick
[HD7 General] element332:
hi,

i changed my card yesterday for a 32 Gb Sandisk class 2 and it is all working allright for me...i took me about 5 minutes...

I have a question..did you guys tried to use the original 16 Gb card from HD7.? When I put the card in to my pc... it is not working... I can't access the data..i can't format the card... It looks like its locked or something...

I just tried the 32 Gb card I used in HD7 and its the same.... NOT WORKING..
[HD7 General] JEEtoP:
Yeah, that's correct.

You can't read or use the cards after WP7 has formatted and striped them.

Or at least you can't yet...
[HD7 General] theclueless:
have you try to use fdisk to repartition it?
[HD7 General] JEEtoP:
I haven't personally I must admit, it's what I've been told by a couple of people.

Not sure if fdisk was used.

If someone can try would be interesting to hear if you can.
[HD7 General] JEEtoP:
Ok guys need a bit of help if you can...

I've got my Sandisk card now but I cannot get the phone to properly reset and run the first setup after inserting it.

I've tried reset by buttons as well as from about your phone menu but it always just boots back to tiles without running the initial setup.

Checking the settings it shows it's not picking up the card.

Take the card out and reset it and I get the initial setup again.

Any ideas?
[HD7 General] JEEtoP:
Right this is my giving up on this for now :mad:

Apologies to anyone waiting on my performance comparison video.

After my dead Kingston card the Sandisk card I got instead arrived and was marked as Class 4 (!?!). Needless to say the phone did not recognise this at all hence my post above so I'm now 2 cards tried and 2 cards failed - I just hope the returns go OK otherwise I'm seriously out of pocket!

I will probably have another go nearer Xmas unless anyone here is willing to sell me a 32GB Sandisk card which they have tried in their HD7 and can 100% confirm it works. I'm quite prepared to pay the going rate. If so drop me a message!
[HD7 General] jonded:
Sounds like you got a fake sandisk card. I've read about people getting these when ordering from small dealers. I want to order one to upgrade my HD7, but I wasn't going to order it from amazon after I saw that amazon doesn't directly sell the card and it comes from a marketplace dealer. I may go to Newegg to order one, but its quite a bit more money (but it should be legitimate). Anyone here purchased a legitimate 32gb sandisk card and if so, from where?
[HD7 General] JEEtoP:
Yeah that seems to be the case but I did order it from Amazon directly, I know the default seller is a third party but I paid a few pounds more and changed the seller to Amazon themselves.

Oh well, would be good to hear where people have got their legitimate cards from.
[HD7 General] pencilcase:
ok it seems the HD7 really cant use the Kingston cards at all. It worked in the pc, once added into the HD7, the phone simply hangs on the install for ages. I cant even get past the language choice. Buying a sandisk today.

So to summarize:

- Kingston 32gb Class 4 cards do NOT work

Is there any way to get the cards working again for windows once it was in the phone?
[HD7 General] The.Clone:
this worries me ... i've got my kingston today.Is it truly a kingston problem or is it something like "too much memory to allocate" for wp7 ? I'm looking forward for your sandisk test. thx
[HD7 General] JEEtoP:
It sounds like pencilcase had the exact same problem as I did with the Kingston card in that the setup was incredibly slow, menus wouldn't completely load and the 'installing apps' stage at the end never completed.

I would think this backs up what Microsoft have said about the performance requirements of the cards beyond simply what class they are and more down to burst speeds and random access etc. It's obvious the Kingston cannot keep up and as a result WP7 cannot use it.
[HD7 General] The.Clone:
I'm sure you all know this official statement: KB2450831 (Sorry I'm not allowed to post external links) But still the question is, what does MS understand with "Windows Phone 7 Compliant SD Card". Anyone able to figure out what the requirements are ?
[HD7 General] JEEtoP:
I don't think any specific info has been released as yet, just the standard "refer to your carrier" response.

This makes sense to be honest because it is now obvious WP7 has higher than average requirements for its cards and there really is no way of ensuring users get hold of the correct cards short of creating a "certified for Windows Phone 7" certification.

With the known reliability and performance issues across cards in the market anyway I'm sure Microsoft and the carriers have been in the same boat as us of testing cards and finding them unusable.

I think that's the way forward personally but it obviously takes time to get in place and get the cards tested.

Microsoft have probably been caught out by the numbers of people swapping cards after they have always said not to and even the carrier tested cards/devices having problems.

Time will heal all...
[HD7 General] The.Clone:
In case that my HD7 is already open, I will give it a try. But before I will do some performance test with Crystal DiskMark, so we will know some facts. (Especially if it works :-) ) Do you remember where the card was made? ( I read some articel about huge performance differences between Japan/China manufactured cards) I will share the results ... wish me luck
[HD7 General] JEEtoP:
I've just looked and the Kingston is made in Japan.
[HD7 General] pencilcase:
got my sandisk today, works like a charm.

does anyone know how to "rescue" the microsd cards that were in the HD7 ?

My PC simply wont find them at all so I have no idea on how to reformat/repartition them under windows 7... any suggestions welcome
[HD7 General] JEEtoP:
Sweet, glad to hear you got it sorted in the end!

Where did you get your card from?
[HD7 General] pencilcase:
local pc store ... alternate.de.

btw i am guessing the kingston cards are fine, just the phone kills them in some way.

plus i now have a 16gb and a kingston 32gb card here i cant use anymore and i would really like to get them running for the pc again somehow :(
[HD7 General] JEEtoP:
http://www.engadget.com/2010/11/12/atandt-tells-samsung-focus-customers-not-to-buy-microsd-cards-yet/

Looks like 'Certified for Windows Phone 7' cards are coming.

I love it when I'm right :p
[HD7 General] StaticPlaya:
These cards will not be released in the UK as we do not have the samsung focus.

Anyway based on the earlier posts I am guessing that a Sandisk 32gb class 2 card is ok as I am looking to order one and do I have to do a hard reset so that the memory appears.

In a space of 4 days I have only 3gb left on my 16gb micro sd.
[HD7 General] ceesheim:
at this time you can't fix sd cards used in a wp7 phone , they are reformatted by the phone (some kind of raid) and are write protected by the phone .

lets hope someone will make a tool to reformat them.

here is a thread that I started on the sd card issue

http://xdaforums.com/showthread.php?t=829008
[HD7 General] JEEtoP:
Pffft... a technicality.

The Zune HD was not released over here yet I had one.
[HD7 General] The.Clone:
So, here is my final report:

Kingston 32gb Class4

Write: 4,36 MByte/s

Read: 14,0 MByte/s

Not working in the phone.

Sandisk 32GB Class2

Write: 5,1 MByte/s

Read: 13 MByte/s

Working flawless in the phone.

There is not much difference in the performance test results. But in the phone, the difference is huge.
[HD7 General] JEEtoP:
I'm surprised how close they are to be honest but I would very much assume once WP7 has formatted the card in the phone the Kingston falls behind the Sandisk.

As close as they seem to be we won't really know for sure until benchmarks can be done on the phone with a formatted card.
[HD7 General] nrfitchett4:
doesn't suprise me at all, considering I've seen these kind of results before. sandisk just makes a better card. Remember those class ratings are minimum for a card.
[HD7 General] voodooutt:
I've tried to install kingston 32GB, got another dead one here i guess....

Well, in the meantime, I tried installing the original 16GB card back into the phone. It gets to the first HTC load screen, then just keeps rebooting itself (loop). Any ideas how to get back to the O/S? I can get to the bootlader screen just fine, it reads the card properly also.
[HD7 General] yly3:
After reading the last 2 pages I am almost sure that I will be waiting for the "official" Microsoft cards . 16 GB is enough for me but I would have loved 32 on board. Will keep an eye on this thread anyway
[HD7 General] pencilcase:
press power and volup + voldown

then press voldown to restore the phone factory settings and then again voldown to boot.
[HD7 General] pencilcase:
its actually just the 32gb kingston that dont seem to work, sandisk 32gb are running great :)