**SOLVED**Help! secure boot: image SOS checksum fail! the sequel.. - Acer Iconia A500

Hi guys i know Brian117 originally posted this and sc2k helped him fix hes tablet i apologize for not continuing the thread
but its been almost 8 hours since i bricked my tablet. i can't take it anymore i tried alot of things i search Google for answers until i gave up.
Im not a pro but im not new to flashing roms so i originally installed CWM from the "it's Magic" post from sc2k i did it successfully then installed
Dexter's primee rom successfully aswell no problem. Once i discover Virtous picasso rom, Honey Villain rom i decided to test them out aswell
see witch one fit my liking so i did successfully. After seeing Virtous galaxy i decided to check it out i did i got an error at boot so after posting
my error some suggested i update my CWM so i was able to boot into galaxy rom loved it then i downloaded "update-recovery-thor2002ro-rev1.3.4"
from the instruction i gathered im suppose to just flash it through CWM so i did and it said that i succesfully flashed it now reboot into CWM to see
the changes so at this point i thought heck yeah!! then to my surprise i reboot it the tablet and was greeted to " secure boot: image SOS checksum fail!" so i then tried a normal reboot the ACER logo just stood there hanging looking back at me laughing.
Before i originally installed CWM i followed all instruction so i have all my back ups and UID saved on my PC. i Already pm sc2k about see if he can help me
but i thought i post the whole processed of what i did to avoid others bricking their tablet aswell and hopefully in the mean time if any of you guys have any suggestions, tips i gladly welcome them since i cant return it to staples anymore i have to deal with Acer if i cant get it to work. Also I fully understand this is a risk i took and not blaming no one for my error all im asking is for help

u done one wrong step, u didnt run its magic before installing thor recovery i think..

I am pretty sure that thor explains in his thread that you should flash his "update-recovery-thor2002ro-rev1.*.*" files only if you allready have his version of recovery installed.
So you should have installed the full "recovery-thor2002ro-rev1.3.4.rar" as described in 1st post of his thread and not just try to flash the update-recovery file.
Maybe thor or sc2k can help you now..

I think the problem was that your original cwm was an older version that did not run itsmagic automatically on startup and the update package doesn't run it either. I'm so glad to see someone who has backups!
Don't know if this will help.. The hang at the logo is usually an indication of needing to do a data wipe after installing a custom rom. Was the tablet booting normally before flashing the cwm update?
Anyway, this thread from sc2k demonstrates a method to wipe data. You can see if that will help get you past the logo screen. If it does, great.. run itsmagic, then you should be able to get back into recovery.
If it doesn't help, you'll need to ask sc2k how to unbrick via nvflash (that's what mcblk0_start file is for).
Edit: aw man..I just realized I forgot the link.... ah well

Update: with help from sc2k i was able to fix my tablet it worked great.
and im currently installing a custom rom through Thor2002ro CWM.
Thousand thank you's to sc2k and everyone in the Development comunity
for the advice i knew if you guys couldnt help me no one could.
thank god for the XDA forums.

babyboy8100 said:
Update: with help from sc2k i was able to fix my tablet it worked great.
and im currently installing a custom rom through Thor2002ro CWM.
Thousand thank you's to sc2k and everyone in the Development comunity
for the advice i knew if you guys couldnt help me no one could.
thank god for the XDA forums.
Click to expand...
Click to collapse
How do I PM SC2K. I have the same issue with my a500. LNX Checksum error. I Need Help!!! Please Help.

Related

Whats Wrong with my fone? someone please help

i hope im posting this in the right place, ive never really messed with forums before, but anyways
ive done everything there is to do to get a custom rom on my streak (StreakDroid) including the whole flash recovery, when i do that it all seems like its working, but when i go to where you are supposed to install the streakdroid (when you turn your phone on with both volumes ect) soo when i get the screen with the blue letters, its tottally different it says something like "insert a SD card containing an update file(/sdcard/update.pkg and the only choice it gives me is press up on the volume to turn device off. BTW i did already had the streakdroid on my sd card. someone please HELP me
if this helps i have a Dell Streak from AT&T
V 2.2
Baseband Ver. 2.6.32.9-perf
OEM Ver. GAUSB1A135331
Build 15697
Thanks
Sounds like this might help.
You may also want to read this.
i already know all of this, but thanks for trying, i cant root it eather, i forgot to mention, it keeps failing, and ive tryed all versions of oneclick
Do this - you do not need root to use that method and is you read the previous links I posted you will figure out how to use StreakMod Recovery even if you aren't rooted.
I got same problem when I installed custom rom at very first time from stock 2.2.
Do this if still can boot to stock rom..
1) Rooting with Gingerbreak.apk , this will work..
2) After rooting done, use R.E and change one file in the system as this file automatically blocked custom recovery when reboot so your problem happened... your DS5 still booted on stock recovery even already flashed StreakMod recovery...
Read this.
3) After modifying one system file then flash StreakMod recovery then you can continue....
Hope this can help you.
i tried that too, but like ive said when i first made this post, when i go into streakmode (when i turn it on with both volume bottons ect) and go into mode after that all i get is something like for an emergency restore blah blah , idk whats wrong, ive done the streakmod right and still,
i have att 2.2 rom it wont allow me to install other source apks
Regarding the issues faced by the OP on this thread:
1. If you are seeing mention of an update file when trying to access StreakMod Recovery, then you let the Streak boot regularly once you installed StreakMod, rather than immediately booting into StreakMod Recovery. If you let the Streak boot normally, StreakMod Recovery gets overwritten. If you're trying to install StreakDroid, then you need to hold down volume down and up as soon as you finish flashing StreakMod Recovery via Fastboot to use it.
Custom ROMs do not have the problem with recovery images being overwritten.
2. The recommended method of rooting a Streak is to flash StreakMod Recovery and then flashing Superuser.zip through it. One click rooting methods are not 100% reliable. The OP is attempting to flash a custom ROM, which doesn't require flashing Superuser.zip. It DOES require flashing StreakMod Recovery.
3. AT&T was supposed to permit sideloading on newer AT&T ROMs. Go to Settings>Applications and make sure "Unknown Sources" is checked. If the option is not present in the ROM, then either the ROM must be changed or a PC application such as the Sideload Wonder Machine must be used.
OP, you were attempting to change the ROM to StreakDroid. Did you change your mind?
@Strephon Alkhalikoi man, just when i thought all hope was lost, your 1. step did it all thank you sooooooo much for finally having my problem solved
also thanks to marvin02 and androidunia for trying to help me, i appreciate it
Hit the thanks button next to my post, Marvin's post, and androidunia's post if we helped out.
taylorgang809 said:
@Strephon Alkhalikoi man, just when i thought all hope was lost, your 1. step did it all thank you sooooooo much for finally having my problem solved
also thanks to marvin02 and androidunia for trying to help me, i appreciate it
Click to expand...
Click to collapse
Gee - the same info was available from my first post in this thread. All you had to do was click on a link and actually read. If you had you would have had the answer less then an hour after your OP.
marvin02 said:
Gee - the same info was available from my first post in this thread. All you had to do was click on a link and actually read. If you had you would have had the answer less then an hour after your OP.
Click to expand...
Click to collapse
+1......right !

has everybody given up on the origional Gtab from verizon???

ok I have been searching im lost in a sea of forum topics that dont seem to either work or relate to my GTAB . I have an original Verizon 3g 7inch Galaxy tab I would like to try a rom on it but it seems that my root method no longer works. but i cant seem to weed through the forums to find info on rooting it since its running the updated gb 2.3.6 is there a post out there in this vast sea of a forum that can help me ???? anybody ????
I wanna root so i can load cwm and install AOKP rom
I answered this question earlyer toady. http://forum.xda-developers.com/showpost.php?p=24634979&postcount=2
Thank you but i still am having issues with cwm installing.
Can someone please explain to me this problem and how i can fix it ?
sorry about the pic i know its not the greatest
http://imgur.com/hlmXq
First you need to do some recommended reading to understand how this awkward system of flashing from heimdall and the various recoveries.
This explains what can happen to your tab should you mess up.
http://forum.xda-developers.com/showthread.php?t=1133590
This explains how to revive your tab from that mess if it is possible. Also shows you how heimdall works.
http://forum.xda-developers.com/showthread.php?t=967175
Finally, this shows you how ClockworkMod Recovery works. To get to CWM Recovery on the galaxy tab hold volume up and the power button.
http://www.addictivetips.com/mobile...-and-how-to-use-it-on-android-complete-guide/
This should give you an idea of what can go wrong and how to fix it. Read carefully because you can disable your device to a point where you can't fix it and will have to send it to somebody who can.
Now there are two ways you can proceed from where you are at:
Flash a rom that doesn't have assert problems in the version of ClockworkMod Recovery that you have installed.
or
Directly flash a recovery and kernel from heimdall.
The easier and safer route is to just flash one of the roms that can be flashed from your CWM Recovery. This one will give you a working MIUI rom and CWM Recovery 5. Just follow the instructions from the CWM Recovery tutorial I posted and the instructions from this link.
http://forum.xda-developers.com/showthread.php?t=1365089
The second route will give you experience on heimdall. Recoveries can be flashed using a recovery.bin and a ZImage file in heimdall. This will let you put CWM Recovery 5 on your tab no matter what rom is installed on it. Unfortunately the zImage kernel is not compatible with the stock rom so once you install this you will only be able to start the device into CWM Recovery.
http://cl.ly/AGBB - CWM Recovery 5 recovery.bin & zImage
To install fire up heimdall after reviewing the directions from the return to stock/heimdall tutorial and put recovery.bin in the recovery slot and zImage in the kernel slot.
Ok update thanks for helping everybody i have aokp working now but it doesnt seem to have any hardware accelaration its running slower than dirt
Ya I bricked it its done for good now can't get it to even turn I have no clue what I did.
guess I'm done unless there is a miracle cure out there
I'm 50/50 for rooting and flashing devices this is the 2nd device (first was an og Droid never bricked it) I attempted to play with in this fashion and its done as far as I can tell.......
Thanks
Sent from my ADR6400L using XDA
have you read this post in the dev sticky section yet?
http://forum.xda-developers.com/showthread.php?p=14928813
If it truly is hard bricked, I've had Josh resurrect my Samsung captivate using the jtag service. And Adam offers his own unbrick service. Both are excellent. Good luck!
[EDIT]Sorry, I just noticed this link was already referenced above...[/EDIT]
Sent from my SGH-I897 using XDA
May be a downgrade or upgrade is required for it to work perfectly...
I got mobile tech videos to help me out got their unbrickable mod and jtag. Got it back today and loaded cyanagonmod 9 nightly loaded on it now working great. Still got to play around with it some more its all different.just glad I was able to resurrect its like a new tablet now.
Sent from my thunderbolt using XDA

Fail flash, what to do?

Hello!
I was about to unroot and get back to stock with my A500 so I flashed a stock ROM via CWM to get a ota-update. Before i had a custom ICS ROM installed and now I installed a HC stock ROM. The problem is that i forgot to go through the wipe menu in CWM before the flash and now when I start up my tablet I first see the ACER logo as usual, then a android text-logo which the tablet is stuck at. I've waited 20 minutes and is still shows the same thing. The logo has an animation which i still can see. I've tried to restart the tablet and get into CWM again without succes.
I have read diffrent threads for several hours but I can't find my problem. What should I do? :crying:
what does the android text say?
Hi dibb_nz.
It is the bootanimation from what I gather (Video; http://s1142.photobucket.com/albums/n602/JdgM3NT4L/?action=view&current=AndroidBootanimation.mp4). I am trying to help someone get a tab up that is doing the same thing as well. The weird part is that recovery is good, bootloader passed (V8), wiped data/cache/system. Tried three ICS roms so far, and every one is stuck at the bootanimation. About to go bonkers trying to figure it out. The only thing that I can think of to try next is changing CWM from Thors to TWRP or something...
To Webspirit, your problem will most likely get fixed by using blackthund3rs APX Tool. Google it and then goto the forum where it is. There's plenty of support for getting that going and you shouldn't have any problems. If you do holler. Alot of us have had to use that tool and can help. I am hopeful that yours will be as simple as downloading and installing recovery back and flashing a nice rom.
Yeah i agree with the guy above me, your going to have to flash something from apx
Sent from my A501 using xda app-developers app
JdgM3NT4L said:
Hi dibb_nz.
It is the bootanimation from what I gather (Video; http://s1142.photobucket.com/albums/n602/JdgM3NT4L/?action=view&current=AndroidBootanimation.mp4). I am trying to help someone get a tab up that is doing the same thing as well. The weird part is that recovery is good, bootloader passed (V8), wiped data/cache/system. Tried three ICS roms so far, and every one is stuck at the bootanimation. About to go bonkers trying to figure it out. The only thing that I can think of to try next is changing CWM from Thors to TWRP or something...
To Webspirit, your problem will most likely get fixed by using blackthund3rs APX Tool. Google it and then goto the forum where it is. There's plenty of support for getting that going and you shouldn't have any problems. If you do holler. Alot of us have had to use that tool and can help. I am hopeful that yours will be as simple as downloading and installing recovery back and flashing a nice rom.
Click to expand...
Click to collapse
hi J...ok thats cool re boot anim...i asked becoz like u i been trying to help a couple of others who can't use any of the flash tools or roll back to HC...i only just got myself fixed after being stuck in apx, no recovery, and boot screen saying in red text "reboot device" thought he may have had similar issue....
J...have u used nvflash or apxflash to roll back - theres a few folks getting stuck with it...its loading the HC apx driver which aint working with the ics bl so then yr tab gets stuck in apx!!!
I started a new thread hoping someone can help us all out be great to hear yr thoughts on this....its driving me up the wall
sorry didnt mean to hijack the thread

Stuck in APX after Jelly-Bean_4.1.2_CM10-FLEX_v6supercharged_Aroma

big ol' noob here. i just flashed the Jelly-Bean_4.1.2_CM10-FLEX_v6supercharged_Aroma rom on my a500 which previously had lightspeed 4.8 on it. now when it boots it shows the android guy with gears for a second then just a blank black screen. the backlight is on so you can tell the tablet is still on. i can still get into recovery with no issues though("aman ra-iconia-3.17-ics" via "scrilax_CZ bootloader v8") i dont know what it could be though. installation of rom gave no errors. so please, I ask for assistance in resolving the issue. i was looking into (and learning about) fastboot fixes but i'm not sure if it applies to me nor have i tried it before. any help in fixing the darn thing would be much appreciated.
raotheconqueror said:
big ol' noob here. i just flashed the Jelly-Bean_4.1.2_CM10-FLEX_v6supercharged_Aroma rom on my a500 which previously had lightspeed 4.8 on it. now when it boots it shows the android guy with gears for a second then just a blank black screen. the backlight is on so you can tell the tablet is still on. i can still get into recovery with no issues though("aman ra-iconia-3.17-ics" via "scrilax_CZ bootloader v8") i dont know what it could be though. installation of rom gave no errors. so please, I ask for assistance in resolving the issue. i was looking into (and learning about) fastboot fixes but i'm not sure if it applies to me nor have i tried it before. any help in fixing the darn thing would be much appreciated.
Click to expand...
Click to collapse
You should change the title to "Stuck in APX Mode". Refine your search. I've never had the issue, however, I believe 1 or more partitions are messed up. Which means you will probably have to revert back using TimmyDeans V4 rollback tool at the worst.
Just a guess. But search the forum for those terms. You should be able to find some threads as I've seen several references to being stuck in APX mode.
One place you may want to post your issue, is Skrilax_CZ's bootloader thread. He may know some fastboot commands to wipe the data.
MD
cool. I'll do that. thanks man. I'm still learning the lingo so that sheds a bit of light for me and gives me some direction to start. thanks again.
raotheconqueror said:
cool. I'll do that. thanks man. I'm still learning the lingo so that sheds a bit of light for me and gives me some direction to start. thanks again.
Click to expand...
Click to collapse
Also remember, before you install a different rom, you must; in CWM
1. Wipe User Data/Factory Reset
2. Wipe Cache
3. Wipe Dalvik
Then go to Mounts and Storage and;
1. Format System
2. Format Flexrom
Then you can install the rom. If you haven't done this, you should try again.
MD
raotheconqueror said:
big ol' noob here. i just flashed the Jelly-Bean_4.1.2_CM10-FLEX_v6supercharged_Aroma rom on my a500 which previously had lightspeed 4.8 on it. now when it boots it shows the android guy with gears for a second then just a blank black screen. the backlight is on so you can tell the tablet is still on. i can still get into recovery with no issues though("aman ra-iconia-3.17-ics" via "scrilax_CZ bootloader v8") i dont know what it could be though. installation of rom gave no errors. so please, I ask for assistance in resolving the issue. i was looking into (and learning about) fastboot fixes but i'm not sure if it applies to me nor have i tried it before. any help in fixing the darn thing would be much appreciated.
Click to expand...
Click to collapse
Try the wipe commands suggested in post #4 and then reflash your JB ROM. A lot of time it helps with reflash the ROM after wipes.
thanks for the tips. i believe i've actually performed them like you guys told me but it seems i've made it worse. my ridiculousness is currently going on in this thread here
I'm having the same issue with this ROM. I'm using the same recovery you are.
if you have any progress let me know cause i'm still stuck in apx land...
final update
Back to stock HC 3.2.1 right now. my issue ended up being unable to format the /data directory causing all my newly flashed roms to not load properly. per JdgM3NT4L's guidance i used the tutorial and tools here which took me back to a working status. now my only problem lies with what delicious rom should i have next? an ICS or a jellybean? if any XDA tutorials or assistance help bring you tablet back, make sure to click those ":good: thanks" buttons guys.

[Q&A] Acer Stock Firmware Files List (Full, Update and EUUs)

Q&A for Acer Stock Firmware Files List (Full, Update and EUUs)
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer. Thanks for understanding and for helping to keep XDA neat and tidy! :smile:
Looking to do a stock install of 3.2 on A501
blackthund3r said:
LIST OF FILES
Please note that none of these files are rooted and/or tweaked! They are stock Android ROMs from Acer and designed for stock recovery!
Flashing them will remove custom recovery and/or custom bootloader! You will be fully stock! Update zips may not install if you have modified your device in any way. If unsure use a full package! You need an EUU package only if your device is bricked as it will be completely wiped clean in the process!
-----------------------------
I am looking for the 3G version the 3.2 stock ROM to do a fresh install on my A501
The link from Vache seems dead.. can anyone please help to provide that particular ROM?
Thanks a lot. Desperately need some help as I'm password locked out!
Click to expand...
Click to collapse
sskhaliq said:
blackthund3r said:
LIST OF FILES
Please note that none of these files are rooted and/or tweaked! They are stock Android ROMs from Acer and designed for stock recovery!
Flashing them will remove custom recovery and/or custom bootloader! You will be fully stock! Update zips may not install if you have modified your device in any way. If unsure use a full package! You need an EUU package only if your device is bricked as it will be completely wiped clean in the process!
-----------------------------
I am looking for the 3G version the 3.2 stock ROM to do a fresh install on my A501
The link from Vache seems dead.. can anyone please help to provide that particular ROM?
Thanks a lot. Desperately need some help as I'm password locked out!
Click to expand...
Click to collapse
Best to just get stock ICS. Why are you password locked? Is the device stolen? I can easily help you get past it but I'm not sure whether I should.
Click to expand...
Click to collapse
Thanks blackthunder. It's our personal device, my wife set the password some time back and is sure she hasn't forgotten but for some reason it's not being accepted. We can't figure out why! I have the original receipt and box etc in case anyone's interested!
I tried the stock ICS Rom by naming it update.zip and rebooting into recovery, but that gets stuck at the Android guy logo immediately. Also tried 3.2 before that via a link from this page, and that seems to work until the progress bar hits about 80%. Then it just reboots back to the dreaded locked screen. From what I understand I can only do a reinstall of the same ROM version that's currently installed? We have a password lock on it, and not pattern. Would highly appreciate any help. . Really want this thing to start working again. It's practically new [emoji20]
Guys any idea? Really desperate here. Thanks in advance!!
sskhaliq said:
Thanks blackthunder. It's our personal device, my wife set the password some time back and is sure she hasn't forgotten but for some reason it's not being accepted. We can't figure out why! I have the original receipt and box etc in case anyone's interested!
I tried the stock ICS Rom by naming it update.zip and rebooting into recovery, but that gets stuck at the Android guy logo immediately. Also tried 3.2 before that via a link from this page, and that seems to work until the progress bar hits about 80%. Then it just reboots back to the dreaded locked screen. From what I understand I can only do a reinstall of the same ROM version that's currently installed? We have a password lock on it, and not pattern. Would highly appreciate any help. . Really want this thing to start working again. It's practically new [emoji20]
Click to expand...
Click to collapse
Your beat bet is using an EUUs package to wipe the tablet and reset back to 3.0.1 then use Flash Tool to get CWM or TWRP + a decent ROM
blackthund3r said:
Your beat bet is using an EUUs package to wipe the tablet and reset back to 3.0.1 then use Flash Tool to get CWM or TWRP + a decent ROM
Click to expand...
Click to collapse
To install EUUs, is it the same process; rebooting with power+volume and flashing via SD card? What version EUUs do you think I need, currently I have 3.2 installed. Is there a guide for above?... will be a lot of help. Many thanks
sskhaliq said:
To install EUUs, is it the same process; rebooting with power+volume and flashing via SD card? What version EUUs do you think I need, currently I have 3.2 installed. Is there a guide for above?... will be a lot of help. Many thanks
Click to expand...
Click to collapse
Actually, even easier.....use the APX Flash Tool to get yourself a CWM Image (you'll need your SBK....there's a fair few guides on obtaining this) then do a wipe data/factory reset within CWM.
From there it's fairly easy to side load the latest Acer ROM.
Thanks. I'll try it out over the weekend! Appreciate your help!
God morning! For the apx tool, I'm not sure if USB debugging option is selected, never ticked that myself consciously. Is it OK to go ahead?
Tried using the apx tool after downloading the Acer USB drivers and in short no luck.
Had to go the manual route for flashing since I don't have USB debugging enabled.
Tried two packages, one honeycomb bundle 6 and then also tried a later one for ICS.
It goes thru the motions enters APX mode with confirmation as well on the tab screen, without any hiccups right to the end. But then reboots to the old dastardly lock screen asking for password!
Any ideas? Already backed up using mobo app so am OK to wipe clean and start anew.
Acer b1-720 update.zip
Do you have any update.zip firmwares for an acer B1-720? Its the only way i can restore my tablet
Good sir i'm new with this stuff, will you teach me how to flash in my acer a500 tablet and what is the right firmware because my acer a500 stuck oin logo, hope yuo will teach how. Thank you and more power
Good day sir i'm sorry sir but really dont which should i flash on my acer a500 that stuck on logo, pls help me which file shoukd i flash and step by step how to flash thank you for the help
Iconia
Guyz.. Im not finding any firmware for Acer iconia b1 711. And this is bricked too. I only have an update file which i received from AcerAcer. And im not able to install it too. Plz help...
Options for upgrading an Acer A500: Acer_A500_4.010.15_COM_GEN1
OK, heres a totally noob question. I have an Acer A500 I bought used. It has been rooted apparently. Has the ClockWorkMod bootloader installed, v5.0.
My question is, what are my options to upgrade this tablet and is there a thread with instructions on which firmware files to use, how far can I go with upgrading the A500 (ICS?). Not really looking to trick it out and go the whole mod route, would be happy with stock firmware, just looking to make it a little more up to date and, above all _stable_! The main issue I have with it now is the wifi craps out every month or so and I have to do a refresh and wipe all info and start over.
I used to get prompted to install a system update, and every time, it would fail with the dead Android dude on his back....so sad. Now, it just tells me, "Network Coverage is poor, please move to a location with better coverage". I am sitting right beside my router...
Here are the relevant specs:
Model number: A500
Build number: Acer_A500_4.010.15_COM_GEN1
Kernel version: 2.6.36.3
If you need any other info in order to help, just let me know.
Thank you very much in advance for any advice!!

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