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Rooted phone won't connect allow phone calls or texts.

Hi,
I recently rooted my phone so that I can utilise it with a new Appradio2. It was running fine until yesterday when phone calls and texts stopped working all together, though data still works fine.
The phone occasionally pops up with an 'MM #6' error which appears to be caused then the phone IMEI has been locked out. I have been in contact with my phone provider (Giff-Gaff) and they have stated the phone isn't locked out.
My phone details are:
* Model no: C6603
* Android Version 4.1.2
* Baseband version 9x15A-ACEFWMAZQ-30110017-11
* Kernel version 3.4.0-g298631f-02021-gc1b7814
* Build number 10.1.A.1.434
The rooted apps I have been playing with are GMG Gesture, Greenify and Pimp My Rom.
I believe I was playing with Pimp My Rom before the issues were caused but I cannot remember what I changed. I also backed the phone up with Titanium Backup before the problem started and restored that backup yet it has not rectified the problem.
My last restort, unless anyone knows how I could resolve this is to return it to it's pre-rooted state and start again.
Any help would be grately appreciated.
Dave

drandall said:
Hi,
I recently rooted my phone so that I can utilise it with a new Appradio2. It was running fine until yesterday when phone calls and texts stopped working all together, though data still works fine.
The phone occasionally pops up with an 'MM #6' error which appears to be caused then the phone IMEI has been locked out. I have been in contact with my phone provider (Giff-Gaff) and they have stated the phone isn't locked out.
My phone details are:
* Model no: C6603
* Android Version 4.1.2
* Baseband version 9x15A-ACEFWMAZQ-30110017-11
* Kernel version 3.4.0-g298631f-02021-gc1b7814
* Build number 10.1.A.1.434
The rooted apps I have been playing with are GMG Gesture, Greenify and Pimp My Rom.
I believe I was playing with Pimp My Rom before the issues were caused but I cannot remember what I changed. I also backed the phone up with Titanium Backup before the problem started and restored that backup yet it has not rectified the problem.
My last restort, unless anyone knows how I could resolve this is to return it to it's pre-rooted state and start again.
Any help would be grately appreciated.
Dave
Click to expand...
Click to collapse
where did you buy the phone? if you buy it from a shady dealer they might have report it stolen and tell your celluar service to block the IMEI...I know this happen alot on GS3 forums or check to see if your IMEI has been deleted off your phone, flashing sometime does this too, again this is on GS3

G1_enthusiast said:
where did you buy the phone? if you buy it from a shady dealer they might have report it stolen and tell your celluar service to block the IMEI...I know this happen alot on GS3 forums or check to see if your IMEI has been deleted off your phone, flashing sometime does this too, again this is on GS3
Click to expand...
Click to collapse
I bought it direct from Amazon so I doubt that is the problem. Additionally I asked my Phone Network Providor and they said they can't see a problem with the IMEI.
Thanks for the reply.

drandall said:
I bought it direct from Amazon so I doubt that is the problem. Additionally I asked my Phone Network Providor and they said they can't see a problem with the IMEI.
Thanks for the reply.
Click to expand...
Click to collapse
did you check to see if IMEI show up oin the device?

G1_enthusiast said:
did you check to see if IMEI show up oin the device?
Click to expand...
Click to collapse
Yes I typed in *#06# on my phone and checked my IMEI number appeared fine. I then sent that to GiffGaff (my mobile network provider) asking whether it had been blocked and they said it hadn't.

drandall said:
Yes I typed in *#06# on my phone and checked my IMEI number appeared fine. I then sent that to GiffGaff (my mobile network provider) asking whether it had been blocked and they said it hadn't.
Click to expand...
Click to collapse
hmmm i'm not sure, you might wanna do a wipe and try returning it for another one.

G1_enthusiast said:
hmmm i'm not sure, you might wanna do a wipe and try returning it for another one.
Click to expand...
Click to collapse
I'll try un-rooting it and see if that resolves the problem. If it doesn't then I'll return it to the supplier and get a replacement. That won't be such a bad thing as I have a little scratch on the screen anyway.
Thanks for the help
Dave

Just refresh Rom. That should solve your problem
[email protected] from XDA premium

drandall said:
I believe I was playing with Pimp My Rom before the issues were caused but I cannot remember what I changed.
Click to expand...
Click to collapse
Then as already advised reflash and start from scratch which is what you should just do in these situations because no one can help unless you can list exactly what you've done.

XperienceD said:
Then as already advised reflash and start from scratch which is what you should just do in these situations because no one can help unless you can list exactly what you've done.
Click to expand...
Click to collapse
Just to update you all, I unrooted and reflashed the phone and the error remained. Since then I've been in contact with the phone supplier (AVTree LTD, via Amazon.co.uk) and they have stated that they have had several complaints regarding phones from the same supplier recently and have forwarded the information onto Suffolk Police to look into. They have also said that they will offer me a full refund and will cover the cost of returning the phone.
Looking on the bright side at least it appears that I didn't do anything to kill the phone. I have also ordered a new one that is now £60 cheaper than the price I bought the last one for.
Thanks for all your help.
Dave

drandall said:
Just to update you all, I unrooted and reflashed the phone and the error remained. Since then I've been in contact with the phone supplier (AVTree LTD, via Amazon.co.uk) and they have stated that they have had several complaints regarding phones from the same supplier recently and have forwarded the information onto Suffolk Police to look into.
Click to expand...
Click to collapse
Doesn't sound good but at least you've not lost anything.

[Q] Wifi Calling On Lollipop

Here's My Problem and I want to know if someone else has it. I updated From Stock Kitkat to Lollipop and All When well, until i noticed that the wifi calling feature was buggy . Sometimes i'm using wifi calling and all of the sudden error code all most every time, that didn't happen when i was with kitkat?

Are you on stock

BACARDILIMON said:
Are you on stock
Click to expand...
Click to collapse
Yes

TikyPR said:
Yes
Click to expand...
Click to collapse
If ur stock and not rooted it time to call tmobile. Also test on a different wifi router

Everyone on this page ill put has the same problem
https://support.t-mobile.com/thread/88058

TikyPR said:
Everyone on this page ill put has the same problem
https://support.t-mobile.com/thread/88058
Click to expand...
Click to collapse
That is for lg not our phones.

WiFi calling is much improved for me on lollipop.
I had had to stop using it at the end of my kitkat days.
Have you done a factory reset or erased data since you updated?

I've had problems since the update. Factory reset didn't help. Called T-Mobile and they sent a Sim refresh didn't help. It will work for a couple of hours then get lost and be stuck on enabling. T-Mobile did acknowledge there is issues for some. They advised me last time to down grade to kit kat or use my warranty to get another phone.

I'd ask for another sim card at the nearest retail store.
Somethings wrong. It's way better on lollipop.

I've got mine on, now as you can see.

It would have been disabled, but WiFi itself on before.

I know that it is from lg but it's the same problem if you look on tmobile page and look for note 4 every person on the page is saying that there having problems with wifi calling

From what I gather it's lollipop and WiFi calling in general that's the problem lol. I haven't touched mine all day. It was stuck enabling before work, stuck on enabling at work but when I got home it's working again. It seems to work slightly better with location services on high accuracy. Maybe it's a e911 issue? Idk why. Its set on my T-Mobile account. Just annoying.

And it stopped working again lol

Have you considered a custom rom?

Cheeseraid said:
And it stopped working again lol
Click to expand...
Click to collapse
That doesn't mean it is a wificalling issue. Could very well be router. Click the last option that say never use cell service and if u get error post screenshot of it.

Router is the airport extreme 5th gen. Its had the same settings for years. Worked perfect on Kit Kat.

Restarted after putting it back on the default setting. It's working again, for now lol

Cheeseraid said:
Router is the airport extreme 5th gen. Its had the same settings for years. Worked perfect on Kit Kat.
Click to expand...
Click to collapse
I googled a few reviews and seems since 2013 they have issues when it comes to skype and other wificalls over the net. Most said apple care took care of it with an update and changing settings in router.
Another route is to call ? tmobile and tell them you need wifi calling cause you no service in your apartment. They will give you a asus router that is hand down a trouble free router.

The only option they gave me was to use the warranty. I tried my spare router tp link 1043nd running gargoyle software, made no difference. Could you take a screen shot of your APN settings? I wonder if there is something different. Here's mine

SM-900A running 5.1.1 PA1 - No WIFI

The phone bricked during an OTA so I had to take it to an AT&T Service Center who blasted the phone and installed the latest version, all seemed well until I got home.
WIFI will not switch on the WIFI icon goes green and the slider goes over but nothing. If you clean and then go back to the WIFI it reports off and the slider will not move to ON.
I factory reset the device in case it was something weird but no - cannot enable WIFI.
Anyone have any ideas on how to resolve this or is it back to the store for me and a defective phone
Thanks for any advice offered.
Chris

Maybe it is a device problem if no-one else has experienced this?

What country do you live?? Is very known that the Samsung Galaxy has wifi problems with some countries and carriers, I made an apk to solve this, but your phone need to be rooted...
http://forum.xda-developers.com/android/apps-games/wifi-fix-country-code-problem-devices-t3296963

Security Error: This phone has been flashed with unauthorized software & is locked

Security Error: This phone has been flashed with unauthorized software & is locked
Hi to everyone, see, I'm really desperate about this, it may be the biggest issue of all my life.
I bought a Samsung Galaxy S6 SM-G920T from T-Mobile six months ago and it was working perfectly. Today when I was using the phone it got a little dumb so I reset it and when it started up this two messages appeared on my screen:
Security Error:.
This phone has been flashed with unauthorized software & is locked,
Call your mobile operator for additional support.
Please note that repair/return for this issue may have additional cost.
Network Lock:
"This device can be remotely unlocked if eligible. Please use the "Device Unlock" application to unlock the device, Make sure the device has an internet connectivity to use the "Device Unlock" application
Does anyone know how to fix this? I'm really sad because I don't have money to buy another phone and I have read in other forums that this is quite difficult to fix. If anyone can help me with this I would really appreciate it so much .
Thanks!!

Question VoLTE not working since OneUI 4.0 Beta installation

Hello All,
I posted this in Samsung Community, but unfortunately none was able to help. I am hoping XDA members could help fix this issue.
I am facing a strange problem with my S21 Ultra Unlocked which was directly bought from Samsung. I had enrolled into OneUI 4.0 beta when I was in the US. I was using Sprint connection then.
I had to travel back to my home country (India) and I am using an Airtel sim card (LTE) here. Now, the strange problem is that LTE (data) works here fine. But, VoLTE is not working. The network changes to 2G for phone calls. I am assuming that the auto-switching bands which was introduced in OneUI 4.0 is causing the problem.
Using Smart Switch PC, I rolled back to One UI 3.1. VoLTE and WiFi calling started to work again. But, soon after I got update notification for One UI 4 beta. To confirm that it is indeed an issue with One UI 4, I installed it again. And as expected, I am not getting VoLTE or WiFI calling again.
Since I changed from Sprint to Airtel, I am not able to withdraw from the Beta program as well. I am getting the error "One UI beta features aren't available because your service provider has changed".
Also, I am not sure what the final One UI 4 will offer. For the first time in my life, I am seeing an Android upgrade causing my phone to not able to connect to VoLTE.
I am also attaching the screenshots of Phone Information. As you can see, in OneUI 3.1, VoLTE and WiFi calling are provisioned. But in OneUI 4, both are not available. I am assuming the issue is because IMS is not registered. But, I am not able to find how this can be fixed.
Thanks in advance for your help.
Thanks,
APS
#volte #samsung #s21ultra #oneui #oneui4 #imsservice #ims #airtel #oneuibeta

A quick update - I updated to final version One UI 4 and the issue is still there. I am still not able to get VoLTE or WiFi calling in India.

I am having similar issue. Were you able to figure out anything?

dp1989 said:
I am having similar issue. Were you able to figure out anything?
Click to expand...
Click to collapse
No. I have started a new thread in Samsung US Community. Let's see if it reaches the right team who needs to fix this issue.
Since the issue was previously in the Beta version, I didn't get much support. Now, I can see more people facing the same issue since OneUI 4 final version is out.

Can you please provide Samsung members thread link here (or subject line which will help me find it).. I will reply with same issue

dp1989 said:
Can you please provide Samsung members thread link here (or subject line which will help me find it).. I will reply with same issue
Click to expand...
Click to collapse
Try this "DON'T BUY S21 Series Phones if you want use it outside US".

aps99 said:
Try this "DON'T BUY S21 Series Phones if you want use it outside US".
Click to expand...
Click to collapse
I searched Samsung members app and didn't find any thread like that. May be if you can post a link.

dp1989 said:
I searched Samsung members app and didn't find any thread like that. May be if you can post a link.
Click to expand...
Click to collapse
It's in the US community. Did you search there?

Yes, I searched in US Community.

dp1989 said:
Yes, I searched in US Community.
Click to expand...
Click to collapse
Not sure if URL can be posted here. Let me try anyways.
Samsung account
us.community.samsung.com

Yes. I've noticed this since the beta started, was hoping it would be fixed by the time stable is released, but looks like it isn't.
VoLTE/VoWiFi worked fine in Qatar with One UI 3.1 (US unlocked model) but is unable to activate on One UI 4.
It's a shame, but they probably won't fix it since it still works alright with US sims. Maybe it will be fixed in One UI 5 accidentally next year the same way it broke now, but don't hold your breath.

I would once again rollback to One UI 3.1 and wait for a stable Android 12 One UI 4.0 however it may never work with that device in your region. I won't be updating until they release a better version, still too many bugs. Your best option is sell it and buy your Service Provider's device, that's a permanent fix.

varcor said:
I would once again rollback to One UI 3.1 and wait for a stable Android 12 One UI 4.0 however it may never work with that device in your region. I won't be updating until they release a better version, still too many bugs. Your best option is sell it and buy your Service Provider's device, that's a permanent fix.
Click to expand...
Click to collapse
I am on stable One UI 4.0 now. Still it doesn't work.
I cannot sell a device that has such an issue now that I am in India. I will probably sell it once I am back in US if Samsung doesn't fix this issue before then.

Go to settings -->general> reset ----> reset network settings
And reboot after
Volte shou´d work again

Hey i was having this same problem, but seems to have disappeared since I installed SM-G998U rom. I didn't install Userdata and seems I didn't get any bloatware plus activation is still on. You can try.

SOGKush420 said:
Go to settings -->general> reset ----> reset network settings
And reboot after
Volte shou´d work again
Click to expand...
Click to collapse
That won't work, and is completely irrelevant to the issue at hand. This only applies to the unlocked US model (U1) - the OneUI 4 update misconfigures VoLTE for international SIMs.
U will work, but the branded firmware shouldn't be required, U1 is currently broken.

lui0703 said:
Hey i was having this same problem, but seems to have disappeared since I installed SM-G998U rom. I didn't install Userdata and seems I didn't get any bloatware plus activation is still on. You can try.
Click to expand...
Click to collapse
Did you lose the data? I already factory reset my phone trying to fix this issue, rolling back etc.

aps99 said:
Did you lose the data? I already factory reset my phone trying to fix this issue, rolling back etc.
Click to expand...
Click to collapse
I did a full backup before. And just restored the data via Smart Switch after.

lui0703 said:
I did a full backup before. And just restored the data via Smart Switch after.
Click to expand...
Click to collapse
Just to confirm. Are you having a US phone which is being used outside US? What is your current carrier?

SOGKush420 said:
Go to settings -->general> reset ----> reset network settings
And reboot after
Volte shou´d work again
Click to expand...
Click to collapse
Will you please elaborate the whole procedure how did you installed this rom roll back to one UI 3.1 safely..
I have USA unlocked variant of S21 ultra and i am on stable One UI 4.0. Facing the issues.
..VOLTE AND WIFI CALLING FEATURE NOT WORKING ..
YOUR HELP WOULD BE HIGHLY APPRECIATED