[q] upgrade mode - LG Optimus Black

I'm really stuck with this PRADA rom without any root access. I'm frustrated so I tried doing this
http://forum.xda-developers.com/showpost.php?p=23788913&postcount=170
but my phone can't go to upgrade mode, I tried the key combination volume + power button but still nothing. I'm really frustrated with this so please if anyone can help me.

press volume + and connect it to the micro usb cable. don't press power

Problem solved thanks.

Related

[Q] I need help

Hi,
I wonder if someone can offer me some help, i had my captivate rooted and i had cognition rom on it, i tried to update to a different rom and while i was using the ODIN the usb came loose and then the phone froze at yellow page with the shuffle, then i tried to put in the download mode by holding the power and up and down button then put the usb and then the battery, the computer do not see the phone also i only get this phone ! Computer, i hope i did not brick the phone.
Thanks for the help.
I'm replying to my own post: After i posted my question i tried to put the phone in the download mode by holding the up and down buttons without holding the power button and put the usb then the battery and it was successful.
That's normal
haithamelbedawy said:
I'm replying to my own post: After i posted my question i tried to put the phone in the download mode by holding the up and down buttons without holding the power button and put the usb then the battery and it was successful.
Click to expand...
Click to collapse
Just so you know, holding only the volume up+down and then plugging in the USB is the normal way of putting it in Download Mode.
The volume up+down AND power button is the normal way of putting it into Recovery Mode, not Download Mode.

Help! My phone works, but I cannot power on by button.

Hi!
I have a SGS I9000. I can access to Download and Recovery Mode without problems, but I cannot power on the phone by the power button. If I connect it to PC in download mode, and restart by Odin, it runs (and the power button works perfect) but if I power off the phone, I cannot power on it again.
Do you know any solution to this problem?
Thanks a lot.
Cheers.

Dead phone after flashing TrinityVengance 1.3/1.4

Hi
I've flashed (including kernel) my phone (C6903) TrinityVengeanceRaptorXHD_1.3-XperiaZ1 and TrinityVengeanceRaptorXHD-LB_UB-Patch-V1.4 taken from here. Unfortunately after it was done my phone was also done.
There is no reaction on 3 buttons pressed at the same time and i cant get into flashmode or fastboot mode. Holding power button makes a single vibration that is being repeated as long as the PB is being hold.
Can anyone help me bringing it back to life? Can it be done not leaving the room or do i need some special tools or send it to guys that has these?
Regards
Wizzy
Hi
I've managed to rescue it. I'm not sure how i did that os i will put here steps that i've taken. Firstly i could not enter fastboot or flashmode by PButton + Vol UP or Vol Down button. I've opened flash tool and connected phone while holding power down button but after unpacking flash image it prompted to unplug the device and plug it again with volume down button being hold but nothing was happening.
So here are steps:
1. I've connected it to the AC and tired holding different combination of buttons ( to see if the led is working ). VIsualy no response has been noticed.
2. While flash tool was still hanged on prompted dialog i've connected the phone to the PC while holding volume down button.
3. It started flashing process.
Thansk & Regards
Wojtek

Question [Samsung A33 5G Not entering recovery mode] Every combination just charging it

Hi all, I have this problem with my Samsung A33 5G its locked with pattern and I wanted to reset it with recovery mode but I cant enter the recovery mode, I tried Vol down + power btton and changes to vol up still not working after i hit vol down + power but after it turns of keep showing that charging logo, can anybody helps me? I tried every method even with I wanted to boot from pc it don't show on PC what should I do
I have this this problem too, ¿Have you found a solution to it?
mxax said:
Hi all, I have this problem with my Samsung A33 5G its locked with pattern and I wanted to reset it with recovery mode but I cant enter the recovery mode, I tried Vol down + power btton and changes to vol up still not working after i hit vol down + power but after it turns of keep showing that charging logo, can anybody helps me? I tried every method even with I wanted to boot from pc it don't show on PC what should I do
Click to expand...
Click to collapse
Try connecting it to its type C cable either on charge or connected to PC, before doing the hard reset process.
Press power + volume up + volume - to force restart.
When it's restarting, just before Samsung Logo pops up, release volume - and keep holding power and volume + to go into recovery mode.

Question Force power off

Hey, I've tried (and failed) to flash TWRP on my Realme 8, and I ran into a big problem:
The device boots up into the stock ROM, but the touchscreen is unresponsive and I can't figure out a way to power off the phone. I've tried to push the power button for up to a minute, i've tried going into recovery (vol+ and power button), tried adb (the PC is unauthorized, so it didn't work). Got a USB-C adapter to plug my mouse into the phone, but it wasn't recognized.
What can i do to power it off? I believe i could reflash the stock firmware after powering it off.
Thanks for any help!
Try to force a reboot by holding power and volume down.
Right, at least 2 buttons needs to be pressed for SoC reset, try them all, you'll find the right one.

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