Just an off the wall question for everyone. What kind of micro SD card are you guys using? Anyone try a class 10 card versus a class 6 card and notice a different in the Vibrant??
Still using the standard..don't see a point until apps2sd is enabled...at that point ill probably just use the class 6 8gb from my mt3g
Sent from my Samsung Vibrant using XDA App
zenlakin said:
Just an off the wall question for everyone. What kind of micro SD card are you guys using? Anyone try a class 10 card versus a class 6 card and notice a different in the Vibrant??
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It's kinda complicated but here are a few things to note. First most people notice a decrease in speed when going from a 8gig class 6 to a 16gig class 6. This has to deal with the fact phones only regulate a certain amount of voltage to the microsd slot. In order to get more storage into the same amount of space more voltage is needed to keep it running at a class 6 rate of speed. The reason the phone doesn't adjust it's voltage is because it causes more heat (which can of course cause damage to the phone) and it waste more battery.
Second because of this voltage regulation you will never notice the difference between a class 6 and a class 10 card while inserted into the phone unless they figured out how to get class 10 speeds on lower voltage. So this means that you should never read stats presented by the manufacture and actually try to get people who own the card to do a speed test. If we can get every card benchmarked while inserted into a phone then we can have a better understanding of what card is actually faster.
I have a Kingston 16gb Class 4/6 (I forget) and it was working fin up til yesterday night. My phone was heating up, especially around the area of the SD card. And so I turned it off for a while, but then it was stilll heating up, so I took out the battery, and it hardreset. Now it says I only have a total 0f the default 7.4gb-8gb memory.
I've reformatted like... 5 times already, and nothing has been working interms of getting that memory back on.
This Focus is starting to get a lot more frustrating -__-
Please help!
Oh and even now, it's still heating up and all that.
I would definitely take that card out and reformat without it. Sounds scary. Not worth frying the phone.
Sent from my SGH-i917 using XDA Windows Phone 7 App
Yeahhh I did. I'm hoping if I can get the card back to normal( I've read that either through a camera or a Symbian phone can reformat thecard to its normal pre-wp7 state) I can pop it back in. But actually... It seems as though my phone is a lot better
Without the sd card. Battery life is back to normal and it just feels like a much better phone in general. So I'm partially happy, still don't have my 22gb total anymore though
I got a PNY 16gb class 10 microsd card from Play.com last week for my SGS2.
I've read on these forums that higher speed rated cards have different charateristics, i.e. trade off access time for throughput. SD tools confirmed very fast throughput (13MB write/24MB read) however after putting the card in and putting about 2gigs of content on it, the phone started to behave very strangely.
The phone would get very hot with no obvious activity and remain very hot with the battery running down very quickly. Sometimes randomly, but always being triggered by SD Tools (which would hang and have to be killed with task manager).
I had been suffering random reboots (about twice a week) before then, so to rule out a faulty phone I had it replaced for new at car phone warehouse.
However, the exact same behaviour with hot phone, battery running down alarmingly quickly happened with the new one. Only way to resolve was to pull the battery.
I've since swapped back to an old 8gb class 6, which while a tad slower (9MB write/19MB read) doesnt cause the phone to behave badly.
Maybe it´s the app and not the SD card......................
Off topic, but I've noticed slow write speeds on my SD lately. I bought it close to 2 years ago when 16 Gb class (10) cards were still fairly expensive. I never did see a minimum of 10 MB/s which should have prompted me to return it immediately. My card always registered around a class (6) status.
Anyway, as of late my Kingston card has slowed to a crawl. I decided to test it both in and out of my Evo and I'm getting an average of 1.4 MB/s. Even my old Sandisk 8Gb class (2) card scores a consistent 2 MB/s.
I've heard of flash memory eventually going bad, is this a sign of an eventual card failure? I also noticed in my testing, the write speeds are not sustained. The graph shows peaks and valleys which averages to 1.4 MB/s. My other cards are flat and consistent.
Hello,
I bought my phone a couple of weeks ago. At first, I didn't notice it, but after a few days I began to realize that the phone discharges completely after less than a day. I looked up and found the battery thread where I saw people going on about how happy they are with battery life, but others complaining about it draining real fast.
I found out all about wakelocks, and fast dormancy etc, and tweaked everything to the max, but the drain was still going on like crazy.
I thought maybe the stock ROM is bad and I need to use something different, and was about to flash, but then as a last resort I decided to try another sim card - I have 2 cards on the same line, one of which I use for my ipad - and swapped it.
Ever since, all the problems are gone! I even enabled fast dormancy again and I see that I have ~1% per hour drain when the phone sits still...
So, to anyone having large drains from cell standby with no simple and obvious explanation, I suggest trying to swap your sim card!
Hope this helps someone...
How can the sim card cause battery drain?
I'm still using the simcard from my last phone, though I still have the new simcard that came with the s3 but its not activated yet.
A guess is that the simcard caused connectivity issues and as such threw the phone out of fast dormancy all the time.
uf21 said:
I'm still using the simcard from my last phone, though I still have the new simcard that came with the s3 but its not activated yet.
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Lucky you, my provider decided to disable the old sim card when they handed me the S3. By consequence I could not, as promised, call my gf who got mad at me ^^
Sent from my GT-I9300 using xda premium
we cannot have 2 different sim cards of the same no. in our area.
btw, does your sim card have different specifications? which one is newer?
afra71 said:
we cannot have 2 different sim cards of the same no. in our area.
btw, does your sim card have different specifications? which one is newer?
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The second one is newer, but was meant to be a data sim and had "Laptop" written on it, though it accepted and made calls just fine, but did not get sms until I asked it to be configured as the primary. Both of them were cut out from regular sim cards, because the providers here decide it is funny to charge around 25$ for giving you the same product with less 1 gram of plastic on it...
Today I got a normal micro sim (I guess they thought I already had one, and replacement is free) and it is also working completely fine.
I think the contacts in the old sim were causing high resistance because they were really worn out, and thus some extra power was lost on them.
I'm pretty sure most companies offer an extra sim to put into a car phone. Here it costs around an extra 1.50$ a month. In any case, my point wasn't about switching between 2 sim cards, but rather that a new sim card might cause less drain. You can believe it or not, but it worked for me. I can post before and after screenshots even.
So has anyone tried changing Sims for better battery life with success?
Same with me. I was having 2-3 % drop per hours, not sometimes the battery remains at 100% after 2 hours of inactivity