[Q] signature verification failed - Samsung Galaxy Core

MY phone is samsung galaxy core gt-8262
android version 4.1.2
baseband version I8262DDNH1
kernel version
3.4.0-1574573-user
[email protected]#1
SMP PREEMPT
KST 2014
build number
JZO54K.I8262XXBNJ1
I have a rooted device .i tried every method of flashing cwm recovery provided on net still when i reboot into recovery
it shows android system recovery<3e>.moreover when i try to flash through sdcard it shows "unknown volume to path".
and when i try to flash anything by some other method it says,
"signature verification failed"
"installation aborted"
also when i reboot my phone i see a yellow triangle.
please help me out here because i rooted my phone just to use various customs ......but without CWM it is not possible
I am totally flabbergasted now
any help will be appreciated

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I have a zergrush rooted, AT&T branded, Sony Ericsson Xperia Play 4g (R800at) with locked bootloaders.
Specs:
Model Number : R800at
Android Version : 2.3.3
Baseband Version : 7X30A-AAABQMAZM-1290_21-42
Kernel Version : 2.6.32.9-perf
[email protected]#1
Build Number : 3.0.1.B.0.270
I have SU, BusyBox, and CWM installed. CWM recovery is 5.x.x.x
When I reboot the phone to get into CWM, I get to the Sony Ericsson Logo screen. When I am holding the down volume key, the screen flashes and then the phone boots normally. I have tried to boot into recovery through CWM RomManager to no avail... I can flash ftfs through flashtool, but I cannot find a ftf file that will allow me to boot into recovery and connect to the AT&T network.
CAN ANYONE HELP????????

[Q] Envizen M700H rooted with no recovery

I have an Envizen M700H rooted with Android 4.0.4
Kernel 3.0.8+ [email protected] #5
Build Numbert rk29sdk-eng 4.0.4 IMM76D eng.ecy.20120525.102915 test-keys
I've tried ADB and terminal to flash recovery. It stops at flashing recovery. I can't get into fastboot. When I boot into bootloader I get a black screen and the computer cannot recognize my phone. I have to reset to reboot.
I also tried ROM manager. No sucess.
I would appreciate any help.
Me again. Is there an update.zip I could use to accomplish what I want?
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Bootloop after TWRP install; no access to Odin/recovery only TWRP menu

My friend installed TWRP prior to trying to root phone but forgot to update kernel and is now stuck, unrooted, in bootloop, but cannot access Smartswitch because TWRP comes up when recovery buttons are used at boot. How can we bypass TWRP or somehow get the phone to be seen by Smartswitch to do an emergency initialize?
Alternatively, will we be able to flash Samsung firmware (XSG-N910CXXU1COI4-20150925140936.zip) using Odin if stuck in the bootloop/not recognized by computer?
Many thanks in advance.
Phone:
Samsung SMN-910C
OS 5.1.1
N910CXXU1Coi4
Kernel: 3.10.9-5745209
[email protected]#1
Build: LMY47X.N910CXXU1Coi4
United Arab Emirates unlocked phone
Now stuck with Philz menu instead of TWRP for download mode
Now he is stuck in either a bootloop or when hitting recovery combo, coming into Philz kernel menu.
Many thanks in advance for any assistance someone can offer. He's stuck after flashing in TWRP Philz6.58.9-treltexx-ExynosSM-N910C
pandanc said:
My friend installed TWRP prior to trying to root phone but forgot to update kernel and is now stuck, unrooted, in bootloop, but cannot access Smartswitch because TWRP comes up when recovery buttons are used at boot. How can we bypass TWRP or somehow get the phone to be seen by Smartswitch to do an emergency initialize?
Alternatively, will we be able to flash Samsung firmware (XSG-N910CXXU1COI4-20150925140936.zip) using Odin if stuck in the bootloop/not recognized by computer?
Many thanks in advance.
Phone:
Samsung SMN-910C
OS 5.1.1
N910CXXU1Coi4
Kernel: 3.10.9-5745209
[email protected]#1
Build: LMY47X.N910CXXU1Coi4
United Arab Emirates unlocked phone
Click to expand...
Click to collapse

[Completed] Boot Loop with 'Installation aborted' message while installing from sdcard.

what i did:
1. i downloaded MTK Android Tools and backed up my stock ROM.
2. i created a CWM recovery image using the same MTk Android Tools and successfully installed it in my tablet.
3. i copied the new ROM file, 'AICP.V9-sporut 5.1.1 [MT6582]'to my sdcard.
4. Using the CWM recovery i wiped the data/factory reset but FORGOT TO WIPE THE CACHE PARTITION. then i installed the new ROM and it was a success.
5. After rebooting the tablet, the tab started looping the launch logo [fading]. i think that i got stuck at bootloop scenario. At this stage i was not able to access recovery mode too [power + Volume Up] .
6.Now using the SP Flash tool, i flashed my tablet with the stock ROM [which i made a back up earlier].
7.The phone is still stuck at the logo. Now i was able to acess only default recovery mode [Android System Recovery <3E>] ...BUT THE CWM RECOVERY WAS LOST.
8. Now i tried to install the zip file of the stock ROM from the sdcard, but i got the message 'Installation aborted'.
iam stuck at nowhere..
my phone specifications:
Hardware : MT6582
Model : TECNO G9 [China Device]
Build number : G9-T211-20140530
Build date UTC : 20140530-144154
Android v : 4.2.2
Baseband v: T211_A1_MP_V0.0.6_S0324, 2014/03/24 21:31
Kernel v : 3.4.5 ([email protected]) (gcc version 4.6.x-google 20120106 (prerelease) (GCC) ) #1 SMP Fri May 30 22:37:21 CST 2014
Uboot build v : -----
LCD Driver IC : 1-kd079d1_35na_a1
Hi,
Try posting your question here:
Android Q&A, Help & Troubleshooting
The experts there may be able to help.
Good luck!

TWRP for SM-A205F Please

I wanted to install TWRP custom recovery in my SM-A205F. I tried flashing it using odin but each time I flash, it gives error
error validating footer auto-opening download mode while booting. I tried that almost 7 times, didnt work.
I actually wanted to install pixel experience custom rom.
If it is possible to install without twrp, please suggest a way, else please make it such that twrp installation in my phone would be possible.
Details:
Flashed using: Odin
Flashed Twrp file: twrp-3.5.2_9-0-a20.img.tar
Flashed no. of times: 7
Baseband no.: A205FDDUACUF3
Build no.: RPA[xxxxxxxx].[xxx].A205FXXUACUF3
@sarthak.whenever I don't have this device i.e. I can't help but did you already check the device forum?
Samsung Galaxy A20
forum.xda-developers.com

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