Not sure if something went wrong when flashing CyanogenMod or something else happened

miner_films

Well-known member
Oct 28, 2014
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I probably should have said this a while ago, but i'll say it now.

Ever since i flashed CyanogenMod onto my Samsung Galaxy S2, whenever i booted the phone up (whether due to having turned the phone off or i restarted the phone) i noticed that on the first screen i see which is text saying: " Samsung Galaxy S2 GT-9100" under that there's a yellow triangle with an exclamation mark in it. I was never sure what that meant, but because i rarely turn my phone off or have to restart it (aside from when the phone has a hissy fit over something ((it freezes, crashes)) ) so i ended up on forgetting about it.

Just recently the phone froze or crashed while i was looking through the file manager, i was plannning to move some screenshots i took over to the SD card. But that was when the phone crashed, so i turned the phone off. But when i tried turning it back on it wouldn't go past the first screen (first screen i see which is text saying: " Samsung Galaxy S2 GT-9100" still with the yellow triangle with the exclamation mark in it.), I tried booting into recovery mode and download mode (or Odin mode whichever you prefer to call it) but it gets stuck at the same screen. The only other screen i can view is if the phone is plugged into a charger then i will see a battery with a loading icon in it, then a black screen before it shows how much battery is in the phone with the battery from the previous screen except its outlined white and is filled with white to however full the battery is, there's also light green text that says how much battery there is.

I don't know if something went wrong when i flashed CyanogenMod which caused a delayed problem which happened to happen just the other day or something else must have caused this. I'm currently back on my Huawei Ascend G600 for now, I do believe that the Samsung phone has bricked, but i wanted another opinion on it.
 
If this happened without any kind of change to the device itself, I would start looking at a hardware error. There really isn't a "delayed issue" that I am aware of. I would try using ADB to reboot into recovery. If you cannot get into recovery I would start looking at other options to try to get the device flashed again from scratch if possible.
 
OK I'll give it a try, I'm kind of hoping it'll work. Since the phone I'm using has the middle portion of the screen not responding to touch, which is quite annoying.

I'll let you know of what progress I happen to make.

Posted via the Android Central App
 
Ok so i've just realized that i had to use the phone's default way of getting into recovery mode which is by pressing Home + Volume Up and then the Power button and keep holding those until i see the Samsung logo. I should now hopefully be able to fix my phone from here, thank you for the help.

------------------------------------------------------------------------------------------------------------------------------------------------------
Edit: I'm seeing this when i try to sideload it via adb:

Install failed
-- Wiping data...
Formatting /data...
Formatting /cache...
Data wipe complete.

Now send the package you want to apply
to the device with "adb sideload <filename>"...
Finding update package...
Opening update package...
Verifying update package...
E:footer is wrong
E:signature verification failed
Restarting adbd...
Installation aborted.
Installation aborted.
Error!
---------------------------------------------------------------------------------------------------------------------------------------------------------

I'm going to see if a stock rom will work, then i'll try CyanogenMod again.
 
Last edited:
i am in trouble, since my rooted grand prime(sm-g530h) stuck in downloading mode(odin) due to flashing twrp. it can not boot in normal mode. should the post be posted here? if yes. i need an extreme help please suggest or guide to get out of this problem if someone knows. cannot go to recovery mode and my pc does not recognize nor the odin.
 
Hi there, I am a bit unclear, you rooted a stock device and started having this trouble? Or you were running CM and flashed a SU binary? If you could give a better description of the issue and the steps you took that would be helpful. Try to be concise using punctuation as well please.
 
actually formerly i rooted my device and all the things were going fine. but by mistake i uninstalled something and my call register started stopping, so i wanted to flash a new firmware with hope possibly that could recover my problem(not know whether it may not). since i had flashed twrp(team win recovery project) i was unable to flash through odin(odin did not recognized my device). somewhere i read after upgrading twrp odin recognizes so i tried upgrading twrp through flashify and rebooted. now i am stuck in this downloading mode.
 
Were you trying to flash back to stock? Not sure why ODIN is coming into play here.

If you're in download mode, you should be able to flash recovery again to the device, then be able to move forward.
 
So after I made my last post, I did try Cyanogen Mod a few more times. Yet I got the same thing every time:
Install failed
-- Wiping data...
Formatting /data...
Formatting /cache...
Data wipe complete.

Now send the package you want to apply
to the device with "adb sideload <filename>"...
Finding update package...
Opening update package...
Verifying update package...
E:footer is wrong
E:signature verification failed
Restarting adbd...
Installation aborted.
Installation aborted.
Error!

Sadly the computer I was using went, ( the Power Supply Unit) the PSU went and as far as I currently know its the only thing and I hope it was only the PSU that did go. So I don't remember if I got around to downloading the stock ROM, but nonetheless I will try flashing a stock ROM onto the device and if I get the same results I'll be a tad disappointed that I couldn't get up and running again.

Posted via my Huawei Ascend G600
 

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