[Q] GT-I9505 S4 LTE Lollipop to KitKat - Galaxy S 4 Q&A, Help & Troubleshooting

Hi, I apologise for the new thread if this is covered elsewhere....I have tried to search for this specific issue but can't find it anywhere.
I accepted an OTA update to Lollipop recently (from O2) which I regretted shortly afterwards, as it resulted in inferior battery life, lock screen problems etc. I decided to return back to KitKat and searched for the method to do this. I downloaded the correct 4.4.2 firmware from SamMobile and followed their instructions using Odin v 3.10. The firmware appeared to flash ok (got the green PASS!) but I am now stuck on the Samsung boot screen when I switch on the phone. I've tried reflashing the same firmware again but end up with the same result.
I've tried a battery-out/recovery mode (volume up + home + power) but it won't go into the recovery screen and I end up locked in the Samsung boot screen again.
Can anyone offer any help or advice?

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[Q] i9505 Recovery mode not working

Hi everyone,
I am having a bit of a problem with my s4-i9505. A few weeks ago I upgraded to Android 5.0.1 manually (using Odin) and all seemed to work like a charm. I also rooted it to. So far so good
Last week an OTA was pushed and I mistakenly clicked okay. Suddenly the battery drain was insane. I read up on it and one of the solutions was to clear the cache. I powered down my s4, pressed the Volume Up + Home + Power button and for an instant I saw in small blue letters in the upper left corner: Recovery mode and underneath it the Samsung logo. Then the screen went black and booted normally.
Since then I've tried
using apps that make the S4 boot into recovery
reflashed the stock 5.0.1 firmware
reflashed an older version (4.4.2) causing a bootloop
reflashed the stock 5.0.1 firmware (solving the bootloop)
Flashing CWM recovery using ODIN.
Still only the text Recovery mode shows up, before rebooting and booting up normally.
Does anyone have a solution to my conundrum?
I managed to fix it myself eventually. I did a factory reset from within Android settings. And now i can get back into recovery mode.
JeeWeeBee1979 said:
Hi everyone,
I am having a bit of a problem with my s4-i9505. A few weeks ago I upgraded to Android 5.0.1 manually (using Odin) and all seemed to work like a charm. I also rooted it to. So far so good
Last week an OTA was pushed and I mistakenly clicked okay. Suddenly the battery drain was insane. I read up on it and one of the solutions was to clear the cache. I powered down my s4, pressed the Volume Up + Home + Power button and for an instant I saw in small blue letters in the upper left corner: Recovery mode and underneath it the Samsung logo. Then the screen went black and booted normally.
Since then I've tried
using apps that make the S4 boot into recovery
reflashed the stock 5.0.1 firmware
reflashed an older version (4.4.2) causing a bootloop
reflashed the stock 5.0.1 firmware (solving the bootloop)
Flashing CWM recovery using ODIN.
Still only the text Recovery mode shows up, before rebooting and booting up normally.
Does anyone have a solution to my conundrum?
Click to expand...
Click to collapse

Bootloop and firmware upgrade encountering problem I9505

Hi,
My galaxy S4 decided to poop itself yesterday. I was browsing my emails and the phone restarted by itself. . but then it kept restarting over and over again (Boot loop). The phone felt hot, so i took the battery out and left the phone for a while.
Once i put the battery back in, the phone kept boot looping. I managed to get it into safe mode and make sure all my photos were safe – I've just returned from a holiday in Hawaii, so this was very important to me.
After i was able to make sure photos were backed up on the computer, i cleared the cache partition and even did a hard reset. The phone kept boot looping. My phone now gets stuck on the "Samsung Galaxy S4 GT I9505" start up page. I read about issues with the power button, so even atempted to open the phone up and wiggle the power button around a bit by squeezing it with some tweezers. This made no difference. I've even swapped batteries and tried charging it.. this also doesn't work. Currently my phone has the "Samsung Galaxy S4 GT-I9505".
I have been on whirlpool forums and it was suggested that i reinstall the firmware through odin.. i did, but with great difficulty and many attempts. My phone was able to boot up and i was able to send one message and make one phone call before it went into bootloop again or just switches off and doesn't want to be switched back on again. When the phone was on, no sound was apparent when a phone call/text message came through for testing. I've retried dowloading the software on odin, but when i try to switch my phone on it says "firmware upgrade encountered an issue. Please select recovery mode in Kies and try again".
I've also tried putting the phone on the charger and no sound or green battery coloured animation comes up on the screen now.
Please somebody help
It was the latest stock firmware from sammobile.com that was flashed to the phone? Was the phone factory reset from stock recovery before booting the phone after fllashing with Odin?
As far as I know it was the latest unbranded firmware from sammobile.com.
A factory reset was one of the first things I did after starting the phone up in safe mode and trying to recover files.
The phone has never previously been tampered with. I've only ever upgraded the software through WiFi or Samsung kies. Using Odin was a learning experience for me.
Maybe the factory reset needs to be done from the recovery screen rather than from the ROM settings?
The factory reset was originally performed from the recovery screen. I can no longer get into recovery mode though. It only seems the phone wants to get into download mode
Have you tried flashing a ROM designed for a particular carrier in your country?
This is going to sound silly.. But I thought that's what I was doing when I went through Odin and got the firmware from sammobile.com
Which version of Odin and firmware was flashed?
What errors occurred during the flash process according to the Odin log?
Tried flashing with a pit file?

S4 GT-I9515 Black Edition XSG stuck on logo screen

I have Samsung S4 GT-I9515 LTE Black Edition bought in UAE. I had official Android Lollipop updated through air.
Few days ago my phone switched off automatically and when i tried to switch back on it was stuck on Samsung S4 Logo screen. I tried getting in into Android System Recovery by press VolUp+Home+Power but i see the same logo screen with Recovery Booting.... message on the top right corner of the phone, it does not go any further than that.
I am just able to start the download mode in my phone. So i tried flashing it with the stock rom of ver. 4.4.2 which i downloaded from sammobile I9515XXU1ANL1_I9515YJV1AOB1_XSG. After many failed attempts i was finally flash the rom successfully but the problem was not solved.
If i start the mobile in recovery mode it gets off after been stuck on recovery booting screen. if i connect the charger while keeping the mobile off it keeps on vibrating every one second. if i try simple power start it is stuck on the logo screen forever.
Please help me to start my phone i am new to learning flashing phone so please tell me if i am doing anything wrong. Thanks.
mujtaba9999 said:
I have Samsung S4 GT-I9515 LTE Black Edition bought in UAE. I had official Android Lollipop updated through air.
Few days ago my phone switched off automatically and when i tried to switch back on it was stuck on Samsung S4 Logo screen. I tried getting in into Android System Recovery by press VolUp+Home+Power but i see the same logo screen with Recovery Booting.... message on the top right corner of the phone, it does not go any further than that.
I am just able to start the download mode in my phone. So i tried flashing it with the stock rom of ver. 4.4.2 which i downloaded from sammobile I9515XXU1ANL1_I9515YJV1AOB1_XSG. After many failed attempts i was finally flash the rom successfully but the problem was not solved.
If i start the mobile in recovery mode it gets off after been stuck on recovery booting screen. if i connect the charger while keeping the mobile off it keeps on vibrating every one second. if i try simple power start it is stuck on the logo screen forever.
Please help me to start my phone i am new to learning flashing phone so please tell me if i am doing anything wrong. Thanks.
Click to expand...
Click to collapse
You do not need to flash 4.2.2 as the boot loader has now changed. Find lollipop 5.0.1 for the phone you have on Sammobile and flash that instead. Make sure it is for UAE black addition.

S7E bootloop

My S7E suddenly went into boot loop mode yesterday when I was driving and I cannot bypass it. It gets stuck on "showing S7 Edge - Powered by Android." screen.
I have tried the following:
-Enter ODIN mode and flash the official S7E ROM. Bought the phone as a EU model but using in UK. I flashed Nougat ROM of UK and France T-Mobile version. They all passed on Odin (windows) but they still came back to boot screen and stopped.
-Tried flashing Marshmallow version - same issue
-Smartswitch doesn't recognize the phone as plugged in.
I cannot seem to be able to get into wipe cache mode. (Tried to hold Vol Up+Home+Power buttons together before restarting).
I am kind of lost for options on what else to try.
Any suggestions please? TIA

Please help me flash my phone

Hi i have a uk s7 galaxy edge on EE. I am trying to flash with the correct firmware but after successful flash and a pass in odin. It reboots and sits on the samsung galaxy s7 edge logo screen. I can get back to recovery screen but i cant do a factory reset any ideas on whats going wrong last time i flashed the firmware it worked fine
thanks
hold button vulume down and home power off use last odin Odin3_v3.13.1
go to download mode and use last firmware

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