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HTC Evo bootloader problem

I was in the process of following the steps outlined in the [GUIDE] How to root Android 2.2 on the EVO 4G - xda-developers thread, and once I got the phone loaded to stock 2.1 (which is about 1/2 way through the process), my phone won't boot bast the bootloader. I've searched the threads for an hour now trying to find some info on how to fix this. To add to that problem, Unrevoked won't recognize the phone (even though I've thoroughly followed all instructions) so I can't get a recovery image on it to fix it easily. It only allows me into the fastboot screen and no matter how I reboot it, power it off, remove battery, etc, it immediately boots right back to the fastboot screen. Does anyone know of a fix or thread for this issue? I would greatly appreciate any help, whether it involves me restoring it back to default, or continuing with the root.

Put a PC36IMG file on the root of your SD card. It should start loading and bootloader and you will be able to boot the phone again.
Sent from my PC36100 using XDA App

* loading in bootloader
Sent from my PC36100 using XDA App

Nevermind this particular post, stupid question.

By the way tsipa, that fixed the issue... You are officially awesome, I was terrified for a minute thinking I messed something up.

[Q] Sprint Nexus S 4g bricked: HELP!

Welp, tried to root the Nexus S 4g.
On rebooting, it gets stuck at the Nexus S bootscreen, pauses, keeps going, etc.
Got CWM 3.0.0.5, and can fastboot, get into CWMRecovery.
From there, I'm at a loss. Tried to restore Nandroid backup, but it says a whole bunch of stuff, basically saying E: failed to find "cache" partition, Can't mount /cache/recovery/last_log, etc.
Tried to apply zip from CWM backup, it says "No files found."
Tried going into mounts/storage to mount USB storage, but nothing appears on desktop of either Mac or PC, so I can't get move files onto the SD card.
Now, when I just power up, it just says "Google," and there's a unlock icon at the bottom. Nothing else.
Anyone have any solutions?

Yeah stop using that old version. Of ClockworkMod recovery
Seriously use 3.0.2.4. Its in the clockwork thread in the dev section.
Sent from my Nexus S using XDA App

Would if I could, but I can't get anything on the SD card!
Trying to mount USB storage from CWM-- no drive shows up on Mac or PC for me to move stuff onto it.

Boot into fastboot by turning off phone, turn back on while holding volume rocker up. Leave it at the screen where you could select reboot, recovery etc. Download the above mentioned clockwork recovery image from the thread to your computer. Flash using fastboot command. No need to copy anything to SD card.
Sent from my Nexus S using XDA App

Having the exact same issue. Nothing appears in the nandroid folder now either after replacing the recovery image with 3.0.2.4 and I can't mount the USB storage or get anything onto the SD card. Phone won't boot. Unsure of the folder structure on this phone to try pushing a file with adb or fastboot.

Same issues here. I was able to flash CWM recovery 3.0.2.4, but when I go to "mounts and storage" and "mount USB storage", I the drive does not appear on both Mac and PC. I'd like to transfer the stock NS4G image onto the phone so I can install the zip from the sdcard...
When I try to use the command, "adb push", it can't find the SD card.

Same problem
I flashed it , and since then i cannot mount the device , i have a good image to push but the device is not opening up the storage for me to push the image.

I had the same problem. Got it all fixed up.
peabody42 said:
Welp, tried to root the Nexus S 4g.
On rebooting, it gets stuck at the Nexus S bootscreen, pauses, keeps going, etc.
Got CWM 3.0.0.5, and can fastboot, get into CWMRecovery.
From there, I'm at a loss. Tried to restore Nandroid backup, but it says a whole bunch of stuff, basically saying E: failed to find "cache" partition, Can't mount /cache/recovery/last_log, etc.
Tried to apply zip from CWM backup, it says "No files found."
Tried going into mounts/storage to mount USB storage, but nothing appears on desktop of either Mac or PC, so I can't get move files onto the SD card.
Now, when I just power up, it just says "Google," and there's a unlock icon at the bottom. Nothing else.
Anyone have any solutions?
Click to expand...
Click to collapse
I had the same problem this morning:
I posted a workaround that worked well for me in Post #35
http://forum.xda-developers.com/showthread.php?t=1072698&page=4
If it works for you click 'Thanks'

Figured it out
Alright , this is what i did to fix the problem, i booted up the system with the bad image i had, connected to wifi and downloaded the Nexus S 4G deoxed image that is out there directly from the internet to the phone. Then i moved it from the download folder to the root using file manager.
I rebooted into recovery and was able to wipe and then flash the recovery image and reboot. Once i rebooted i regained control over the usb and memory card. hope it helps you guys.

How Do I Fix "REALLY" Bricked and DEAD Nexus S4g?
All posts on this thread presuppose a working Nexus S 4g. When I use the term bricked, I mean dead. About a month ago I followed directions on one of these threads on how to easily and with one click route my jellybean running phone. For some reason the process never completed, and all I was able to accomplish was unlocking the phone. When I ran the check to see if it was truly rooted, the response showed the phone was still unrooted. About 30 days later it was deader than a brick. Somewhere I read that Jellybean on Sprint might be the culprit. Anyway, I have a dead phone. Sprint wouldn't even check it because the screen was cracked. Fortunately, I bought a new one, new to me anyway, on eBay for $37. It is still running android 2.3.7(Gingerbread), and the phone is attempting to push the Ice Cream Sandwich update. I am fighting the update until I figure out what killed my phone.
Just wondering whether there is anything I can do with my old phone, even if I only use it like an old iTouch for music and surfing via Wi-Fi. Anyone?
I attempted the one click method described here, but my desktop cannot find any devices. So it truly is dead. Comments appreciated. I have used several different cables, unsuccessfully.

sexynexy said:
All posts on this thread presuppose a working Nexus S 4g. When I use the term bricked, I mean dead. About a month ago I followed directions on one of these threads on how to easily and with one click route my jellybean running phone. For some reason the process never completed, and all I was able to accomplish was unlocking the phone. When I ran the check to see if it was truly rooted, the response showed the phone was still unrooted. About 30 days later it was deader than a brick. Somewhere I read that Jellybean on Sprint might be the culprit. Anyway, I have a dead phone. Sprint wouldn't even check it because the screen was cracked. Fortunately, I bought a new one, new to me anyway, on eBay for $37. It is still running android 2.3.7(Gingerbread), and the phone is attempting to push the Ice Cream Sandwich update. I am fighting the update until I figure out what killed my phone.
Just wondering whether there is anything I can do with my old phone, even if I only use it like an old iTouch for music and surfing via Wi-Fi. Anyone?
I attempted the one click method described here, but my desktop cannot find any devices. So it truly is dead. Comments appreciated. I have used several different cables, unsuccessfully.
Click to expand...
Click to collapse
Hi,
What method did u use to root? What thread? Cuz it may need to newest version of the recovery.
anyways...
Try charging up a battery on newer phone and put in dead phone... but instead if turning on normally, boot into recovery.
If it worked then use a back up to flash it back to stock. Assuming u were able to back it up b4 root.
If not plug into computer. See if it turns on or can go into either recovery or boat loader mode and if so perhaps computer will recognize it.
Vs Nexus S4G using tapatalk2

[Q] Well, looks like I have hit a "brick" wall. Any suggestions?

Like most of the users here, my phone has been buttery smooth and fast for awhile thanks to our amazing devs. Today, something unexpected happened. I was attempting to get a screenshot of the lockscreen. I think I was successful, but when I checked the gallery, everything had corrupted icons on them. Ok, I will just reboot. Reboot, and I hear Linda speaking to me. I didn't catch it, but I know it had something to do with the SD card. 5 minutes later, my phone boots up and my card is nowhere to be found. I figure the whole card somehow got corrupted.
Now I originally started typing this because it looked like my phone wasn't going to boot past the galaxy S 4g logo, but after about 5 minutes it did. Now with the phone booted, my phone can't see the card at all. The only thing that comes up is the option to mount, but that doesn't work at all anymore. The previous time I restarted it before it hung at the boot logo, it showed up in my computer and opened to nothing and ended up freezing the computer for a second until I shut it down.
I need to format this card obviously, but can't see how I am going to do that if it isn't recognized. On top of that, I might as well use this as an excuse to reflash a new rom, but I have even more problems. None of my button combos work to get into recovery or download at all. I then figured I would use terminal emulator to get into it, as that has worked before, but the app won't install due to an "invalid package file" or something like that. I appear to be stuck in a very weird soft brick, and need some help.

Might have made some progress. I removed the sd card and installed terminal emulator on the phone. Hopefully it is going to reboot into recovery, but it is stuck at the boot screen again. Ill see in a few minutes if it makes it there. From there I can start trying to restore/wipe/format/etc...

Was able to get into recovery. Did a factory reset and wiped everything. Looks like it is still going to take more than 5 minutes to get past that boot screen though. Has anyone ever had this problem? Could my card be done for good? Unless I can find a way for my computer to recognize it, I don't know how I will format it.

I have seen them do this and in the end the card needed to be replaced. I haven't been able to figure out if it was the phone or the card but the ones I have seen like this I ended up flashing the software again from the factory flashing tool and the new card worked normally. If you need the factory flashing tool I can upload it but not til Tuesday when I go back to work. Let me know.
Sent from my MB855 using XDA App

yentlequible said:
Was able to get into recovery. Did a factory reset and wiped everything. Looks like it is still going to take more than 5 minutes to get past that boot screen though. Has anyone ever had this problem? Could my card be done for good? Unless I can find a way for my computer to recognize it, I don't know how I will format it.
Click to expand...
Click to collapse
If you have a card reader for your PC, download one of the Live distributions (Fedora, SuSE, Ubuntu, etc.) and, if you card is viable, you should be able to read the ext4 filesystem on it, get the files off, then format it to vfat.

Dboy352 said:
I have seen them do this and in the end the card needed to be replaced. I haven't been able to figure out if it was the phone or the card but the ones I have seen like this I ended up flashing the software again from the factory flashing tool and the new card worked normally. If you need the factory flashing tool I can upload it but not til Tuesday when I go back to work. Let me know.
Sent from my MB855 using XDA App
Click to expand...
Click to collapse
I can still get the card to show up in my computer, but it will crash when I try and open it up. Ill see what formatting does in this state, but it guess I will just have to get a new card if I can't get this one working again.

stephen_w said:
If you have a card reader for your PC, download one of the Live distributions (Fedora, SuSE, Ubuntu, etc.) and, if you card is viable, you should be able to read the ext4 filesystem on it, get the files off, then format it to vfat.
Click to expand...
Click to collapse
I already lost the files, but I didn't have too much on there anyway. BUT, I did format it from My Computer, and it appears to be working fine now, luckily. I can see my few Android folders on there at least. Ill see how it works now.

yentlequible said:
I already lost the files, but I didn't have too much on there anyway. BUT, I did format it from My Computer, and it appears to be working fine now, luckily. I can see my few Android folders on there at least. Ill see how it works now.
Click to expand...
Click to collapse
Bummer you lost the files but glad you got it working. Best of luck.

Yeah man. I have seen this a few times. I try to backup my memory card at least once a week just incase. Sorry to hear about this bro.
Sent from my MB855 using XDA App

Thanks for the replies guys. Luckily, I didn't have anything that important on my card other than a few pictures, so it didn't turn out too bad. Ill be upgrading to the galaxy note in a few weeks anyway, so I don't really mind.

Help would be greatly appreciate it!

I have made a big mistake and tried upgrading my phones firmware to install a costume rom.
Phone: HTC Sensation 4G
Company: Tmobile
I downloaded it the wrong firmware now my phone keeps restarting to the main htc screen over and over it wont get past that, I tried doing a factory reset but I'm not sure if it went trough. I'm done toying around with my phone I just want to go back to the the stock version of htc please help me. I can't afford to buy another phone.
Thank you so much.
Fredy

I'm a newbie, too. So get my advice in doubt.
As far as I read from forum, Task29 clears the ROM all. Then you can install a ROM freshly. May be you can search sbout doing Task29 on your device.

Download a compatible rom from the net to your computer and transfer it to the SD card using a USB cable (or just use the restore option in the recovery menu if you backed up the previous rom, which you should have). Then boot into recovery by turning your phone on, wait 1 second then press volume down then volume up to recovery and flash the new rom you just put on the SD card.
Good luck
If you can't get into recovery mode then I don't have a clue, sorry.
Sent from my XOOM using Tapatalk

If u can't get into recovery, u have to push the rom to the phone via adb. There's a thread somewhere on how to do it. Search it
Hit THANKS if I helped u

Thunderbolt keeps rebooting

My thunderbolt has been rooted and has s-off. It keeps trying to install the ICS update and I can't stop it from rebooting and trying to install it after just a minute when it is turned on. Can someone help me to get it back to stock? I don't know all the terminology here so most of these threads are greek to me. I rooted originally via a YouTube vide.
Sent from my SCH-I535 using Tapatalk 2

darthramy said:
My thunderbolt has been rooted and has s-off. It keeps trying to install the ICS update and I can't stop it from rebooting and trying to install it after just a minute when it is turned on. Can someone help me to get it back to stock? I don't know all the terminology here so most of these threads are greek to me. I rooted originally via a YouTube vide.
Sent from my SCH-I535 using Tapatalk 2
Click to expand...
Click to collapse
If I understand you correctly, you are on a rooted phone but have not flashed a ROM on it yet? And by being in that position,, your phone is trying to take an ota update from Verizon. If that is correct and you have also flashed a custom recovery like clockwork mod or 4ext, turn off you phone. Use a computer to download the ROM you want. On your phone, simultaneously hold power and volume down buttons until boots to the white bootloader screen. Go into recovery from there. In recovery you should find an option to mount the phone to a computer as a USB drive (or something like that). Plug your phone into a computer and then choose that option. Once your connected, copy whatever ROM you got to your phone. Disconnect your phone. In recovery choose factory reset/wipe data. Then navigate thru recovery to install from sd card the ROM you got. Reboot.
Please note: this will delete all user data from your phone. Any info not backed up will be lost, unless it is on your Google account or on your sd card.