HTC EVO 4G :: SD Card Actually Writes Faster Than It Reads?
Aug 20, 2010
My EVO actually writes to sd card faster than it reads it. I test 3 different memory cards. The speed varies a little but the end result is the same. The write speed is much faster than the read speed. I only notice it now because I usually transfer files to the card and delete them later on. I finally made a few backup roms (4 at about 2GB total size) and tried to move to my laptop. Needless to say the process was slow (over 30 minutes). I can transfer the same files back into the card in the EVO in about 4 minutes.
Below is a same of my transfer speed in the EVO. The same card outside of the EVO has a write rate of 7-10 MBs and read rate of 17 MBs. http://i175.photobucket.com/albums/w159/fithos_bucket/snap20100818_095238.png
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Mar 16, 2014
I am about to build an app which needs to use device internal storage memory extensively, a lot of reads, writes and overwrites of the files.
I assume that most of the android devices use a kind of a flash memory, but where can I find more data on this topic for the most common memories used, like how many reads/writes can an internal flash endure before failing?
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Feb 7, 2010
I got almost 6MB/s write speed with the stock SDHC card (4GB capacity) that came with the N1. I replaced the stock card with a 8GB class 6 card I had flying around. To my surprise, the class 6 card isn't faster! Write speed is still slightly below 6MB/s. The point is that I eventually want to upgrade to a 16GB. But if the class makes no noticeable difference on the N1, I might as well get a "slower" class 2 card.
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Nov 15, 2010
I have a HTC wildfire phone and even though i do enjoy it i find it to be very very slow and i have tried multiple things such as keeping my text messages to a maximum of 20 before deleting. Trying to delete unnesesary apps and junk off my phone. But it still runs slow, so i have joined this android forum seeking help. I can purchase a new phone an iphone 4 or HTC desire but i like my HTC wildfire and i enjoy the android operating system, the Wildfire's camera is amazing and the only thing i want to be able to do is make it faster. Will upgrading my SD card make the phone run faster?
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Jun 30, 2012
I have been unable to do anything permanent to my sd-card. I was on my vacation so all my vacation photos were deleted. It is writable, I can delete, write and change as I want but when it's rescanned all changes (delete, write etc...) were never made and it sets itself back to the 23rd. Now I have access to my computer so I formatted the sdcard hoping it would fix it. After I put it in my phone all files popped back up. So my case is:I cannot make any permanent writes/changes to it.
Formatting doesn't seem to work. Once again, it is writable (Temporarily), i took a photo and pushed it into the /system partition, it was there but not on the sdcard after reboot. Root explorer have options for mounting it R/w and R/O (It doesn't normally do that).
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Jan 22, 2010
Love my Eris, except for its music playback. With the SD card that came with it I have about 5gb of music. The music UI is choppy as can be, borderline unplayable at times, the lag is really bad. I've read other posts about faster cards improving performance on the player, but none really elaborating on the music playback.
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Feb 7, 2013
0.00b is keeping me from installing apps and rooting my device. However, the SD folder, which stores all my media is still reading 2.3GB.
I also cannot access my recovery mode.
I read that the solution is flashing a new rom, but I don't know how to do that without a recovery or root.
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May 6, 2010
I'm coming from an Eris and one of the things I loved was the HTC battery widget which showed the battery life in 1% increments with a pretty little icon. I've come to find out that the Moto Droid only reports battery life in 10% increments. Have they developed any apps that are able to accurately show 1% increments on the Moto? If not, which is the best battery widget for the Droid?
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May 30, 2010
I snagged SNESoid and was playing Chrono Trigger. Everything going great until One part of the game requires me to press L+R and then hit A. I can't seem to make this happen, since multi-touch only reads two buttons at once. I'm on an Incredible, any ideas?
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Jul 27, 2010
I picked up my new incredible last week (Awesome!). It's been working great. However, within the last day, I've been getting an error message which reads "Connection Failed: This application requires network access. Enable mobile network or Wi-Fi to download data." I've gotten this message when initiating the browser, going into email, etc. Of course, I can't access anything via the web.
When I go to settings, mobile network is checked off, although it does say "turning on..."
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Aug 24, 2010
I really really really want a kindle 2 reader, but it isn't my birthday until December, so I've downloaded the kindle for Android application to my Sony Ericsson X10 Experia, I've only downloaded one book so far, but I read it within a day, I noticed at the end of the book that it said "quick read". Are all the books supplied quick reads? Is this the same on the Kindle reader? If this is the case I won't be buying one, I want the full version of the books!
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Jul 28, 2010
I've downloaded youtube videos as MP4 on 2.1 and then converted it to MP3. Just by changing .mp4 to .mp3 and the music player was able to read it and I'm able to put it in playlist and listen to it. Now that I've rooted to 2.2 Music player no longer reads it.Have you guys had this problem?
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May 17, 2010
I want to write an application that reads blogpost from the internet and then present in my own way.
The blogposts are stored in databases, so I figured that the only thing I had to do was to query an online database for the posts that I want to show.. But I canīt find a way to open a connection to an online database. anyone out there with a solution to my problem?
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Aug 3, 2010
I am writing a app that reads a file from the internal storage on startup. I have followed the guildelines here:
http://developer.android.com/guide/topics/data/data-storage.html#file...
It successfully works on the emulator, and I can find the file my app created under
DDMS > data > data > com.MyAppName > files.
Now I would like to install my app on a real device, but do I need to explicitly copy the file onto the device? If so, what's the location should I copy the file to? Or will the file be created when I install my app? I need some pointers or guidelines, I'm quite clueless about the device. Or perhaps if anyone knows any keywords for me to search for an answer.
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Jul 14, 2010
Is anyone aware of a file manager that can read both the internal DINC memory and the SD card? Perhaps I'm missing something, but I've tried both ASTRO File Manager and ES File Explorer with no success.
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Apr 18, 2010
I have a simple app with a surfaceview nothing special one would say. However when installing on my phone I get two warnings.
1 - Phone calls
- read phone state and identity
2 - Storage
- modify/delete SD card content.
My really is nothing more than a simple puzzle and I dont understand why I get these warnings.
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Oct 10, 2009
I am a android developer, I stuck into a problem, how to read really big images with Android API, I am wondering how native Gallery (Camera application) is reading bigger images so fast. can any Android Engineer here direct me to the piece of code that android engineer used to draw bigger images.
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Nov 18, 2013
After Installing a new firmware for my 8gb galaxy mega i9205 I got a internal memory error . If I open storage stats it reads 7GB miscellaneous files and if I open app manager it display as free space.Root explorer cant open the internal storage !
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Oct 14, 2010
I was browsing the web and I saw an application that claimed to scan for user's fingerprints so I thought I should give it a try, the app worked well and I was amazed! does anyone know how this app reads user's fingerprint? how is this possible on android? any tutorial or hints or any open source project? I think this will help a lot of developers thanks maxsap.
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Nov 8, 2012
I've just started creating some Android application and I successfully made application that locates user's latitude and longitude.
Well. The problem is that I am interested about the way how android does that with maps tools since my application starts a GPS and it takes like 10 minutes, before it finds a location indoors and maybe sometimes it doesn't even find a GPS indoors, but if I use Maps application that comes with phone it works fine indoors and outdoors it's same where I am.. the location I'm standing on is directly found without waiting any minutes. (I've changed a place and it's directly there without waiting)
Can it be done as easily as GPS locating?
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Nov 5, 2010
Can someone please help me and let me know if there is a way to restore apps faster than one by one?
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Jul 29, 2010
The backup for titanium was flawless, however the restore is proving quite annoying. Do i really need to go through and approve each app to be installed? Or is there a hidden way I'm missing.
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Sep 5, 2010
Was lookign for a better option for my phone other than launcher pro. Was playing around and came across Zeam Launcher on the market.
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Jun 7, 2010
I've pretty much spent the entire weekend installing and uninstalling 2.2 on my droid. This afternoon I got it setup so that it was running SUPER smooth.Before 2.2 my Quadrant score was about 605 (running BB1.1 oc to 1ghz). With 2.2 I was getting about 1200 in quadrant (oc'ed at 1ghz as well).I then compared my phone with my brothers (his is setup exactly how mine was before 2.2) and while my phone was a bit snappier scrolling through home screens and opening the app drawer, when it came to opening programs - his droid opened the programs faster than mine did.What is that all about? Anyone have any thoughts? Both phones were freshly rebooted.
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Sep 19, 2010
I use Eclipse for my development. The problem with it is, I find it incredibly memory hungry... it often takes ages to load up, when I save a file it hangs for a while (saying "Building workspace" in the bottom right hand corner), and is just generally slow.I wondered if anyone had any tips for streamlining it for Android. I don't use it for anything else (if necessary, I will install a separate instance for general Java stuff) so I can't help thinking there are lots of modules and stuff I could get rid of which may help it run more smoothly.
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Nov 12, 2010
Buddy of mine rooted his EVO 4G and added tethering app. He showed me how I could connect my Samsung Captivate to his EVO via Wifi and surf using his cell (3G) connection. To my knowledge, he was connected using only 3G (no 4G signal there). However, page loads were MUCH faster on my phone when tethered to his phone than when I use my own AT&T 3G connection.
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Aug 15, 2010
I have been reading reviews of the Sprint Epic 4G with it's Hummingbird CPU and it is showing that CPU to be about 3 times as fast as the EVO Snapdragon even though both run at 1 Ghz. How is this possible? I thought 1 Ghz was 1Ghz?
Although I love my EVO, if I had known the Epic was coming to Sprint with the full Qwerty and such amazing specs I would have waited. Ah well, EVO still rocks but I'll never get used to virtual keyboards with my fat thumbs.
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Jun 12, 2010
I feel that my incredible is way faster the Evo sometimes takes a sec to open the menu or switch screens anybody noticed it?
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Dec 11, 2009
Wow, my droid with 2.0.1 is now so much faster!
So it makes me wonder, what the hell was the phone busy doing before this update? Sending data back to Google somehow? Because the speed increase I see isn't just a 10% increase, I mean it seems at least 25% faster...
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Jun 28, 2010
My wife's phone has used almost 4GB of data this month and her battery has been draining much faster than mine, especially at night. Last night we watched in SystemPanel at the Net Receive indicator and it was constantly downloading at least 200+ kps. I had read about some issues with Facebook so we removed the Friendstream widget and saw the downloading go close to zero.
This morning, I checked the 8 hour monitoring in SystemPanel and saw that the CPU activity was still high overnight (running near 30%) and her battery drain was twice mine (over 13% used over ~7 hours, mine was around 5% drain).
I loaded up Spare Parts on her phone and was looked under Battery History, Network Usage and took this picture (sorry about the quality, her screen protector makes it hard to get a good picture and she is not rooted). Can anyone explain what UID 10006 is and why it is downloading so much data? I do not see it listed on my phone in Spare Parts. What do we need to do to turn this off or at least slow it down?
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