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[N 6P][H1512-Int.][LTE Problem]tinkered around with hidden menu,cant connect to LTE

i have a rooted nexus 6p (h1512) (the international version) with a custom rom (pure nexus rom) and custom recovery...after rooting the device i foolishly tinkered around the hidden secret codes on my device..i downloaded an app called shortcut master (lite)....and searched for some hidden codes...i selected a code 3282 from the options....went into dataSettings, then into lte // edit///(i knew the msl code 000000) and tried to enable band 26...the reason i did that was because i was using an lte sim card and was not getting proper speeds...so i figured enabling a band may make a difference...besides i thought..i could always revert it back...as soon as i enabled band 26....the phone restarted and now i cant get the lte network (no bars)...i went back to the hidden menu to revert the settings but the settings there were exactly similar as before( band 26 was still disabled) ...i cant see any changes that my fooling around had done..and even though i cant get any bars with lte sim....the apn settings associated with the sim are still there..
and i also inserted other 3g sim cards in the phone ...they work perfectly okay...so i think it has something to do with lte bands....i have also flashed the stock factory image from google after this problem after wiping everything, but that didnt solve the problem....i then reflashed the radio too....but it didnt help...so then i went back to my custom rom
is there any way that i can reset the changes i may have made?
any help will be greatly appreciated..
these are the current lte settings on my phone( there is no difference compared to when lte sim was working)
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is there any way to reset lte settings?
i think my messing around with these hidden codes has changed some underlying deep seated huawei modem firmware settings...
i just want to know if any of you guys know how to fix this problem? any help will be greatly appreciated.
Edit : All non lte sim cards work just fine..and yes, i inserted that lte sim in other phones and it works just fine, so the sim has no poblem..
EDIT 2: SOLVED...after much searching for solution, bet all my cards on efs partition restoration, was successfull...anyone having similar problems , pm me if u wanna know the commands for nexus 6p to erase efs and its restoration.
CHEERS!!!

Having the same issues on my wife's phone hopefully someone finds a fix.

Had the same issue, download netmonster from market and go into phone info, then turn off cellular radio then turn it back on. Worked for me

Problems with other operators s7 verizion

I ve bought s7 in Asia. And i didnt know that its a big problem that it is a verizion version. Now all the time when i travel and changing sim cards i need manualy to add Apn point to use internet and not all people who sell know this details. (Usually when u buy sim and insert it this settings are alrready inside u just have to send message or choose apn point)may be there is some custom rom which will help with it?and the most important problem which i didnt solved yet happened yesterday. In Thailand i ve bought new sim. And to activate 7 days internet need to send code starting from *9 or to check internet balance *900# . But it's not possible to do!!! Because whatever u will type starting from *9 u will get a message something like "forward calling type US number" so yesterday i spent 30 minutes trying to apply this internet. And nothing helped,I also look the code *72 or othet to switch it off. Not working. Im so disapointed with this verizion. I want to get rid of all this codes *9 and in other unlocked galaxy phones i could choose mobile network in settings(lte,gsm) or choose operator. Here it's happening automaticly.help me please,because i cant even use this normal code which starting from *9.. all the time this stupid message with call forwarding
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Try flashing the 930U firmware to the phone. It will flash it to the US Unlocked version. If that doesn't help maybe just sell it and get the 930F international version.

All phones I have that are carrier specific you need to enter APN settings manually. APN settings aren't attached to the SIM card, especially if its a prepaid one. I normally get the APN settings online or from the store I bought the SIM card or I know there are a few apps out there with APN databases for countries/carriers
---------- Post added at 04:33 AM ---------- Previous post was at 04:30 AM ----------
You can choose what network to connect to but APN settings are needed for data only, not voice. Under settings > mobile networks > network mode > choose GSM > Manual > then at the bottom you can choose the network operator

[HELP!] MOTO G5 plus Potter XT1683 with single IMEI

Hey guys,
My Moto G5 Plus got a IMEI problem. When I bought it (I bought from another owner), the IMEI have only one field, (like a single sim card device), and the network didn't work.
I read a lot of posts, but I didn't find someone with the same issue.
The only step I got, is:
After recommendations to install the ROM PIXEL EXPERIENCE, the SIM1 IMEI returned, but the SIM2 IMEI do not appears.
Here is the printscreen of the IMEI after rom PIXEL EXPERENCE:
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when I insert SIM card at the SLOT 1, appears a android error message on the screen, like the device is trying to register in a network... And when I insert a SIM CARD at slot 2, nothing happens.
Please, If someone had the same problem, help me...
thanks

gavlaki said:
Hey guys,
My Moto G5 Plus got a IMEI problem. When I bought it (I bought from another owner), the IMEI have only one field, (like a single sim card device), and the network didn't work.
I read a lot of posts, but I didn't find someone with the same issue.
The only step I got, is:
After recommendations to install the ROM PIXEL EXPERIENCE, the SIM1 IMEI returned, but the SIM2 IMEI do not appears.
Here is the printscreen of the IMEI after rom PIXEL EXPERENCE:
when I insert SIM card at the SLOT 1, appears a android error message on the screen, like the device is trying to register in a network... And when I insert a SIM CARD at slot 2, nothing happens.
Please, If someone had the same problem, help me...
thanks
Click to expand...
Click to collapse
No doubt the owner sold you a faulty phone. Was the bootloader already unlocked? I am sure it was. He probably just IMEI by QFIL or some tool but not fixed the whole IMEI and network problem.

braindeductions said:
No doubt the owner sold you a faulty phone. Was the bootloader already unlocked? I am sure it was. He probably just IMEI by QFIL or some tool but not fixed the whole IMEI and network problem.
Click to expand...
Click to collapse
Of course I knew about the faulty phone, and because this I bought cheaper than a normal phone. Do ou know how I can fix the whole IMEI? How to add the second IMEI field. If I can fix, ir, probably when I install the PIXEL EXPERIENCE again, the network will became fixed.

braindeductions said:
No doubt the owner sold you a faulty phone. Was the bootloader already unlocked? I am sure it was. He probably just IMEI by QFIL or some tool but not fixed the whole IMEI and network problem.
Click to expand...
Click to collapse
QFIL can't be blamed for this, as any one who is informed enough to use the utility to fix IMEI would have fixed both slots.

[email protected] said:
QFIL can't be blamed for this, as any one who is informed enough to use the utility to fix IMEI would have fixed both slots.
Click to expand...
Click to collapse
There is a way to fix it without a box?
I mean, fix the Imei 2 field...

wifi and 4G handover connection problems

Hello, I have a Xioami MI9T, for a few days I started having problems with 4G, I am in WIFI and everything is fine, when I turn off the WIFI or leave the coverage and connect to 4G, it shows connected, but it does workn, no WhatsApp , Waze does not connect and if I enter to the Chrome it gives me different errors such as: ERR_TUNNEL_CONNECTION_FAILED, err_proxy_connection_failed, err_network_changed, ERR_CONNECTION_RESET, etc., then I put it in airplane mode and take it out and it connects well. Also being in 4G, the mobile disconnects and connects a lot times, when it connecta again the same problem happen, ERR_XX message and I have to put airplane mode and take it out. I am from Argentina I spoke with Movistar (ISP) and they say everything is ok.
The phone installed a last update, I can not say that this is the problem, because I do not remember when it started, now I have: MIUI Global 11.0.3 Stable | 11.0.3.0 (PFJEUXM). The phone model is M1903F10G.
Thanks a lot for your help.

pabloabdala said:
Hello, I have a Xioami MI9T, for a few days I started having problems with 4G, I am in WIFI and everything is fine, when I turn off the WIFI or leave the coverage and connect to 4G, it shows connected, but it does workn, no WhatsApp , Waze does not connect and if I enter to the Chrome it gives me different errors such as: ERR_TUNNEL_CONNECTION_FAILED, err_proxy_connection_failed, err_network_changed, ERR_CONNECTION_RESET, etc., then I put it in airplane mode and take it out and it connects well. Also being in 4G, the mobile disconnects and connects a lot times, when it connecta again the same problem happen, ERR_XX message and I have to put airplane mode and take it out. I am from Argentina I spoke with Movistar (ISP) and they say everything is ok.
The phone installed a last update, I can not say that this is the problem, because I do not remember when it started, now I have: MIUI Global 11.0.3 Stable | 11.0.3.0 (PFJEUXM). The phone model is M1903F10G.
Thanks a lot for your help.
Click to expand...
Click to collapse
Nobody?
Thanks

Go to> sim card settings > access point names > APNs > edit access point > erase the proxy and port section and save it

erfan3776 said:
Go to> sim card settings > access point names > APNs > edit access point > erase the proxy and port section and save it
Click to expand...
Click to collapse
I'm in Argentina, Movistar is my ISP, when I insert the sim in the APN configuration apperared the APN for MOVISTAR with wrong configuration (Proxy and port) but it is imposible to change or remove the APN so I created a nwe APN with the correct values. Is there any way to remove this default APN?
Thanks

pabloabdala said:
I'm in Argentina, Movistar is my ISP, when I insert the sim in the APN configuration apperared the APN for MOVISTAR with wrong configuration (Proxy and port) but it is imposible to change or remove the APN so I created a nwe APN with the correct values. Is there any way to remove this default APN?
Thanks
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Use Reset button

SOLUTION TO ESIM DISABLED in Galaxy Fold (SM-F900F)

If our Galaxy Fold phone (SM-F900F) has the Esim option disabled and does not allow adding a second line.
Here we will have the solution. (Factory phone will be restored)
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1.- We must go to google play and download the application "Google phone".
2.- Once the application is downloaded we will have to open it and give it permissions.
3.- We will enter the following code: "* # * # 27262826 # * # *"
4.- A menu will be displayed in which it will notify us that we have CSC installed and we can verify that our system is not one of the first but one that has the word (single) (in my case MXO (simple) = Mexico 1 line) . That means the esim is disabled and you only have one phone line (PHYSICAL SIM). (Due to this problem, we do not have the esim option enabled).
5.-We will remove the SIM card from the phone to continue.
6.- Now we will select the csc of the country we want (that does not contain the word "single" because those are the ones that will not have the esim deactivated) (in my case I will select INU which is the csc of Inda and is the first to always update )
7.- We will install it and 3 options will appear, we will select the first (Sales & Network Code Change) and click on OK.
8.- Followed by the phone will restart and everything will be erased.
9.- When you request to activate the phone and select the language we will insert the PHYSICAL SIM card
10.- We will add all the data and start the phone.
When going to the phone settings we will notice that the option to add an Esim is already available. y The available imei 2 will appear.
Ready.
we will have concluded.

Hey i have tried but didn't get the menu. I have android 11.

Hey, running this on an AT&T unlocked SM-F900U phone and got the menu of the attached picture. Which shall I choose to keep unlocked and enable eSIM ?

theunf said:
Hey, running this on an AT&T unlocked SM-F900U phone and got the menu of the attached picture. Which shall I choose to keep unlocked and enable eSIM ?
theunf said:
Hey, running this on an AT&T unlocked SM-F900U phone and got the menu of the attached picture. Which shall I choose to keep unlocked and enable eSIM ?
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Tried the XAA which is the USA unlocked. It processed the request, rebooted the phone but did not erase it and esim menu is still locked.
Repeated the procedure and the gui shows XAA as preset for Sales/Net, Net2 code.