Database Users

[Q] GT 540 MMI issue

I have updated my 2.1 to 2.3.4 swift v2 m6 based on cyangenmod 7.1.0 RCO.
Love the ROM
Issues, I paid for the optus unlock code and have to put in 2945#*520# to put in the provided code. The error comes up Connection problem or invalid MMI code.
I have spent a couple of days looking at different forums and solutions, tried extra pauses etc and still the same issues. One suggested going back to original ROM and trying that, however another issue I have is the phone will not boot back into recovery or bootloader, just turn off and stays that way. I have held different buttons as stated in different threads and even hopped on one foot.
I am happy with this ROM just want to get to the unlock menu, any ideas that I might have missed??
Cheers Ernie

Do you have fastboot, the unlock ccode only works on 1.6 official btw

i think it works on 2.1 too as long as the rom has the hidden menu. so best is to try boot into fastboot via power and camera button. (try holding it very hard and long till the black screen appears) and flash any 2.1 rom

No good
Tried the power camera buttons never worked. Is there a fastboot 2.1 file that was like the 2.3 file that you just double clicked on and it installed the new android? So I can just click on the file 2.1 and it will load up?

Ebay? hope not
Or is there another unlocking solution apart from trying to down grade my android, is there a network unlock that can be performed with other software?
Cheers for any help.
I am not really an optus fan and like to use whatever sim I like at the time, I suppose if I can not unlock the carrier it will go to ebay.
When I power off the phone it gives me the option to shut down, recovery etc however if I choose other than to turn it off it will not reboot.
hmmm rambling now
Ernie

Either flash via KDZ method a 2.1 rom.
Or
Find in development threads thers a recovery zip for 2.1.
Sent from my GT540 using xda premium

Warning
Just a warning, if you get one of these phones network locked, unlock it before upgrading the android.
I have spent a week on this trying to downgrade to 2.1 so I can get to the unlock menu.
I have followed directions from many sites and flashed using kdz, have put recovery on using command prompt, use solution to get the phone to show up menus. Where I fall down is I can not get past the selection where the forums tell me to hold power/camera or other buttons and a menu will come up and give options to select install from sdcard. No matter what I do I can not get to that section??
This is really frustrating me, I have tried so many solution.
However, each time I fail and the phone is black, I just load the recovery with kdz and then click on Android234GT540_06-06-11_eng and this last file auto installs 2.3.4, wonderful, so is there a file like this for 2.1?? if so I pretty sure I can then downgrade then get to the unlock menu.
Or is there another network unlock solution.
Please help
Ernie

Solved
You are the man, thank you sooooooo much, two weeks on getting the downgrade working and this works a treat.
After downgrade I was able to get into the unlock menu and was able to enter the unlock code, I am so happy for your post.
Ernie
Dr.Alani said:
It does not cause a problem to downgrade to 2.1 without fastboot, I have done that several times. All you have to focus on is the following:
after doing "fastboot -w" turn the phone off. And DO NOT TURN IT ON AGAIN. Remove the battery, sim and SD. Hold the camera + power and then plug the phone to usb it will run into download mode. Run the KDZ updater with CS Emergency mode and flash whatever 20A rom you can have. Before the update ends, it will reboot and ask you to insert the battery. Do not unplug the phone until the KDZ updater gives you the ======= finished ====== message.
I hope this helps.
Click to expand...
Click to collapse

Tamate said:
I have updated my 2.1 to 2.3.4 swift v2 m6 based on cyangenmod 7.1.0 RCO.
Issues, I paid for the optus unlock code and have to put in 2945#*520# to put in the provided code. The error comes up Connection problem or invalid MMI code.
Cheers Ernie
Click to expand...
Click to collapse
If your phone has model# 540 then you should dial 2945#*540# not 2945#*520#, i.e. the final three digits should be the model number. Otherwise you will get the error you mentioned.

KnockON wont working and black screen in calls after upgrade

I have d802, and after I upgrade from 4.4.2 to 5.0.2 suddenly a knock on feature stop working .. I can knock off the phone but no knock on... I try to "update touch firmware" in hidden menu and nothing append,
I try to downgrade to 4.4.2 and still there this option not working!
and black screen in calls..
What should I do?

Help?

saarxee said:
Help?
Click to expand...
Click to collapse
Are they working when you restore KK backup (presumably you have one)? Before doing that, test your sensors by downloading any app from Playstore that can do that.
You can also try restoring just sensors you backed up in twrp (uncheck the rest of the stuff)
Try updating touch firmware to get your knockon back
Open dialer menu and type;
5689#*980# (Sprint)
3845#*801# (T-Mobile)
3845#*803# (AT&T Canada)
3845#*802# (International)
3845#*800# (At&T)
3845#*980# (Verizon)
And when hidden menu is showed up, go to "Settings"
and go to "Update Touch Firmware".
The touchscreen won't work until after 5 seconds, Wait for it and if touchscreen gets working, exit the menu.
Lock the phone and try knocking on the screen, It should be working

MilanStojkovic said:
Are they working when you restore KK backup (presumably you have one)? Before doing that, test your sensors by downloading any app from Playstore that can do that.
You can also try restoring just sensors you backed up in twrp (uncheck the rest of the stuff)
Try updating touch firmware to get your knockon back
Open dialer menu and type;
5689#*980# (Sprint)
3845#*801# (T-Mobile)
3845#*803# (AT&T Canada)
3845#*802# (International)
3845#*800# (At&T)
3845#*980# (Verizon)
And when hidden menu is showed up, go to "Settings"
and go to "Update Touch Firmware".
The touchscreen won't work until after 5 seconds, Wait for it and if touchscreen gets working, exit the menu.
Lock the phone and try knocking on the screen, It should be working
Click to expand...
Click to collapse
Yes, I will restored my nandroid backup of KK, and the sensor and knock on dont working O_O
and I try update the touch firmware.. dont working.

UP

Please Help

UP

Help???

UP

Wi-Fi turns ON automatically ( Official Android 5.0.1 )

Hey Guys
I have an S4 I9505 , Official ROM Lollipop 5.0.1 , Band Base I9505XXUHOE2
Version Number : DONGCHAO.A730
I have been looking for a solution of my problem since a week now, but nothing.
My Wi-Fi keep turning ON by itself sometimes, I tried to look for Connection Optimizer but it does not exist in Mobile Networks.
I also tried to uncheck all Wi-Fi Advanced Settings but nothing, Wi-Fi still keep turning ON by itself sometimes.
I tried a factory reset and removed all the apps but the same thing.
What should I do ? Is there a FIX flash for this problem ?
Thanks for your time.

Search in the google wifi fix flashable fix
Sent from my SHV-E330S using Tapatalk
---------- Post added at 03:26 PM ---------- Previous post was at 03:24 PM ----------
Another method here but copied from another sites that I found recently.
1. Go to your phone dialer
2. Dial *#0011#
3. When you see the "ServiceMode" screen, press the left menu button
4. Select "WiFi"
5. See that "Wifi Power Save Mode" button that is "ON" - well turn it "OFF"
6. Exit this menu, turn off your Wifi and turn it back on. If you already entered all your wifi credentials, forget your network info (remove it) and re-enter it again.
Sent from my SHV-E330S using Tapatalk

taoufiqlak said:
Hey Guys
I have an S4 I9505 , Official ROM Lollipop 5.0.1 , Band Base I9505XXUHOE2
Version Number : DONGCHAO.A730
I have been looking for a solution of my problem since a week now, but nothing.
My Wi-Fi keep turning ON by itself sometimes, I tried to look for Connection Optimizer but it does not exist in Mobile Networks.
I also tried to uncheck all Wi-Fi Advanced Settings but nothing, Wi-Fi still keep turning ON by itself sometimes.
I tried a factory reset and removed all the apps but the same thing.
What should I do ? Is there a FIX flash for this problem ?
Thanks for your time.
Click to expand...
Click to collapse
Thanks VanGreat for you reply !
I flashed this firmware L720VPUGOK3_L720SPTGOK3_L720VPUGOK3_HOME.tar and then when I entered Wi-Fi settings and found a new option called "Smart Mode" , I turned it OFF and VOILA problem solved The option wasn't there before in the first ROM.
This can be helpful for guys with S4 Sprint SPH-L720

Went to sleep, phone died, now stuck in a bootloop, can't enter recovery and etc.

Stock 7.0 AT&T model, I went to sleep, forgot to plug in phone. It died in the middle of the night, and the phone refuses to boot past the s7 edge splash screen and restarts every 10-15 seconds. It also will not enter recovery mode and says "Recovery booting..." I can make it enter download mode but I have attempted almost everything I have found and I either get a binary issue or it will successfully flash but then nothing will happen and it will continue to be in this bootloop. I actually brought it to a samsung "representative" at Best buy today and she said it wasn't recognizing the phone at first then it did, and she flashed something that she didn't say what it was and then it still didn't work. She then told me to send it in to samsung but since my glass is cracked (2nd day I had it too...) they try to say that i'm at fault. I just want to know how to fix this, I haven't had my phone in 5 days, I don't care about my data cause it's all already backed up online! Any help would be greatly appreciated.

alecmaw said:
Stock 7.0 AT&T model, I went to sleep, forgot to plug in phone. It died in the middle of the night, and the phone refuses to boot past the s7 edge splash screen and restarts every 10-15 seconds. It also will not enter recovery mode and says "Recovery booting..." I can make it enter download mode but I have attempted almost everything I have found and I either get a binary issue or it will successfully flash but then nothing will happen and it will continue to be in this bootloop. I actually brought it to a samsung "representative" at Best buy today and she said it wasn't recognizing the phone at first then it did, and she flashed something that she didn't say what it was and then it still didn't work. She then told me to send it in to samsung but since my glass is cracked (2nd day I had it too...) they try to say that i'm at fault. I just want to know how to fix this, I haven't had my phone in 5 days, I don't care about my data cause it's all already backed up online! Any help would be greatly appreciated.
Click to expand...
Click to collapse
Have you tried using samsung smart switch?

use samsung smart switch emergency software recovery initialization which is in the right up corner in "more". if its gonna be stuck and installing the software then connect your phone to a charger, hold volume down and power button and turn it off, this way the phone should stay turned off. then go to download mode and install s7 edge firmware from sammobile through odin

RomBetaTester said:
Have you tried using samsung smart switch?
Click to expand...
Click to collapse
****, I forgot to mention, yes I have tried smart switch and every time I input the model number and S/N, it just closes out. Based on my research, that means initialisation isn't possible.

arofaz said:
use samsung smart switch emergency software recovery initialization which is in the right up corner in "more". if its gonna be stuck and installing the software then connect your phone to a charger, hold volume down and power button and turn it off, this way the phone should stay turned off. then go to download mode and install s7 edge firmware from sammobile through odin
Click to expand...
Click to collapse
I forgot to mention, that yes I have tried smart switch, and everytime I input the model number and S/N it closes out.

you'll need quick hand play
push volume down boton and power at the same time when the phone restars quick push the download mod conmbinaison and flash a stock at&t firmware you can download throught sammobile.com site;*,
edit : download the firmware throught this post: https://forum.xda-developers.com/att-s7-edge/how-to/firmware-att-s7-edge-g935a-official-t3412312
another edit lol: don't forget to unzip downloaded files
tell me if it works

Recently, I have seen many phones with bootloop problems and, at the end, the sim card was the one to blame.
I know it's silly but have you tried booting it without the sim card and micro sd?

nouninou said:
you'll need quick hand play
push volume down boton and power at the same time when the phone restars quick push the download mod conmbinaison and flash a stock at&t firmware you can download throught sammobile.com site;*,
edit : download the firmware throught this post: https://forum.xda-developers.com/att-s7-edge/how-to/firmware-att-s7-edge-g935a-official-t3412312
another edit lol: don't forget to unzip downloaded files
tell me if it works
Click to expand...
Click to collapse
I keep getting SW REV CHECK FAIL : [ABOUT] FUSED 4 > BINARY 2 and odin fails. this is what has been happening each time I attempt odin. Also Smart switch just closes.

angourakis said:
Recently, I have seen many phones with bootloop problems and, at the end, the sim card was the one to blame.
I know it's silly but have you tried booting it without the sim card and micro sd?
Click to expand...
Click to collapse
Yup, nothing :/

arofaz said:
use samsung smart switch emergency software recovery initialization which is in the right up corner in "more". if its gonna be stuck and installing the software then connect your phone to a charger, hold volume down and power button and turn it off, this way the phone should stay turned off. then go to download mode and install s7 edge firmware from sammobile through odin
Click to expand...
Click to collapse
Smart Switch just closes out each time i input S/N and Model number :/

I just actually successfully flashed SM-G935U firmware but to no avail it is still in this bootloop. I am about to just replace the screen and send into samsung ffs

[i9505] No Signal After rebooting On 3G only mode

Hello everyone , i have a signal issue with my phone it's s4 i9505 , after i buy it it was normal reboot on 3g or 4g or 2g modes it's normal , but after 1 year and also i have flashed a lot of roms to this phone , now all roms stocks or customs have issue, if i reboot my phone on 3g only mode or 4g only mode there is no signal even if i search manualy , i have to switch to 2g only then the signal back and switching back to 3g or 4g
I have tried to flash latest modems and flash the stocks roms 4.4 5.0 from sammobile but no luck always i have to switch 2g then back to 3g , i 'm about to sell this phone so if the clients find this issue they won't buy it so please help me xda
Sorry for my bad english i'm from morocco arabic

Have you updated modem and bootloader after hard restart i.e. using power+home+vol down or you used the menu to reboot into Download mode? If you have used the menu, the parts of memory, where modem and bootloader are stored have been locked and actually it didn't update. Use the hard restart buttons combination prior to flashing modem and bootloader. Please replay if that worked, so that people know if that was the case.
Greetings from Bulgaria,
Georgi

Thanks u sir for reply
I tried to flash latest modem using your method switch off the phone then enter to download mode using vol down + home + power , odin flash succed but stil the same problem i have tried also flash using twrp , the flash goes well , but still the same problem ,
Please if there is any other solution help me
Thanks you