Database Info

FIX for 1X DATA

-Go to the ThunderBolt's phone dialer. Enter ##778# and hit Send.
-You'll get a pop-up labeled EPST, with the choice to "View Mode" or "Edit Mode." --You want "Edit Mode."
-You'll be asked for a password. It's 000000.
-Now flip down to "Modem Settings," and then choose "Rev. A."
-Change the setting from eHRPD to "Enable," hit OK, then press the Menu button on the phone and tap "Commit Modifications."
This gave me 3G back, hopefully works for others.

gonna try that thanks

Sup?
http://forum.xda-developers.com/showthread.php?t=1052727

Worked for me also
Started seeing nothing but 1xx when I know I've got 3g available. This fixed it. My next question is "why was it not enabled?".
Thanks again.

I'm pretty sure it has to be set to eHRPD if you want to do simultaneous voice and data on 3G.

One of the main advantages of eHRPD is the ability to provide seamless service mobility between HRPD and LTE access networks with a single mobility management protocol. Moreover, with eHRPD, the operator can leverage the benefit of optimized handover – no dropped sessions and reduced handover latency — between LTE and eHRPD.

Do all this steps.
1. I dial ##778#
2.tap edit mode
3.password. is 000000
4.tap on modem settings
5.tap Rev.A
6.Tap on enable
7.Tap on the menu on your phone
8.Tap on Commit modifications
And after you do that your phone should reboot and you should have 3g
THEN AFTER THE REBOOT
Dial *#*#4636#*#*
Okay now scroll to the bottom. the box should say "LTE MODE" I have no 4G service in my area. So I only got. 1x. I changed my radio settings to auto PRL. Its 3G only saves battery. And for. 3G and LTE
Is (CDMA+LTE/EvDo) then after just press the home button then. 1x will disappear then 3G will appear there you go. Ladies and gentlemen
Your favorite android
-Monky_1

MONKY_1 said:
Do all this steps.
1. I dial ##778#
2.tap edit mode
3.password. is 000000
4.tap on modem settings
5.tap Rev.A
6.Tap on enable
7.Tap on the menu on your phone
8.Tap on Commit modifications
And after you do that your phone should reboot and you should have 3g
THEN AFTER THE REBOOT
Dial *#*#4636#*#*
Okay now scroll to the bottom. the box should say "LTE MODE" I have no 4G service in my area. So I only got. 1x. I changed my radio settings to auto PRL. Its 3G only saves battery. And for. 3G and LTE
Is (CDMA+LTE/EvDo) then after just press the home button then. 1x will disappear then 3G will appear there you go. Ladies and gentlemen
Your favorite android
-Monky_1
Click to expand...
Click to collapse
This got my 3G back, but 4G is down completely so dont bother trying.

bigcanoe said:
One of the main advantages of eHRPD is the ability to provide seamless service mobility between HRPD and LTE access networks with a single mobility management protocol. Moreover, with eHRPD, the operator can leverage the benefit of optimized handover – no dropped sessions and reduced handover latency — between LTE and eHRPD.
Click to expand...
Click to collapse
Let me guess, you don't really understand what you just copy/pasted.

Turn off LTE

Using this post as a guide
http://forum.xda-developers.com/showthread.php?p=41136607
I found a way to turn off LTE in the samsung modem software (dialer code *#0011#)
Steps:
Open dialer
Type *#0011#
Menu
Back
Menu
Key input
Type 1 in box
Ok
Menu
Back
1 UMTS
1 Debug
6 Phone Control
6 Network Lock
4 RAT_FREE_SUPPORTING_ON
menu
Back
Menu
Back
7 Network Control
2 Band Selection
From here choose your band. I recommend WCDMA/GSM Mode Only
I dont have LTE here so I cant confirm it works, but I know it does not stick on reboot.
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

_Dennis_ said:
Using this post as a guide
http://forum.xda-developers.com/showthread.php?p=41136607
I found a way to turn off LTE in the samsung modem software (dialer code *#0011#)
Steps:
Open dialer
Type *#0011#
Menu
Back
Menu
Key input
Type 1 in box
Ok
Menu
Back
1 UMTS
1 Debug
6 Phone Control
6 Network Lock
4 RAT_FREE_SUPPORTING_ON
menu
Back
Menu
Back
7 Network Control
2 Band Selection
From here choose your band. I recommend WCDMA/GSM Mode Only
I dont have LTE here so I cant confirm it works, but I know it does not stick on reboot.
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2
Click to expand...
Click to collapse
Yeah, this has already been discussed. All you have to do is dial *#*#4636*#*# and then choose device information and select your preferred network mode. They didn't rat lock this modem which is surprising.

MattMJB0188 said:
Yeah, this has already been discussed. All you have to do is dial *#*#4636*#*# and then choose device information and select your preferred network mode. They didn't rat lock this modem which is surprising.
Click to expand...
Click to collapse
They did as is evidence by dialing *#2263#
Also I have found *#*#4636*#*# not to stick after exiting the screen (could have been just me or a mistake I made)
Edit: seems my *#*#4636*#*# stuck until reboot. Nevermind then. I am still looking to see if I can get this crap to stick on reboot
The method I outlined sticks until reboot. And rat is unlocked until reboot. (Im looking at other options to write the modem so it sticks on reboot, but im blindly playing with it mostly)
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

[Q] Cannot switch to 3G.

Hello everyone,
Previously I had the ROM "iXperia 8". There i could switch between 2G, 2G/3G & 3G easily just with a click. After I installed "PrimeHD", i do not have the 3G mode. I can switch between only 2G and 2G/3G modes.
Please help.

Dibakar Saha said:
Hello everyone,
Previously I had the ROM "iXperia 8". There i could switch between 2G, 2G/3G & 3G easily just with a click. After I installed "PrimeHD", i do not have the 3G mode. I can switch between only 2G and 2G/3G modes.
Please help.
Click to expand...
Click to collapse
Seems problem at "install PrimeHD".
Uninstall it or recover to previous status.
I believe you had backup before you install PrimeHD......

try dialing *#*#4636#*#* in the caller app (normal one) and it should bring up a testing menu.from there go into phone information and scroll to bottom. there should be a network mode drop-down list. pick something like "WCDMA only"

The Jinxer said:
try dialing *#*#4636#*#* in the caller app (normal one) and it should bring up a testing menu.from there go into phone information and scroll to bottom. there should be a network mode drop-down list. pick something like "WCDMA only"
Click to expand...
Click to collapse
Thanks it worked. But do you know what are the other options for?

I have another solution to the problem myself.
Go to Home-->Press menu button-->Add-->Widgets-->Power Control-->Check the button "2G/3G"(You may uncheck all other buttons,up to you)-->
Scroll down till you see "Choose Network Modes"-->Click the button right below it--> Click on "2G/3G Only/3G+2G"-->Move to top and click OK.
A new widget will now appear on the home. Here you can switch your network modes between 2G or 3G or 2G/3G.

Which options? The SMC check (i think) and others? That is beyond the scope of my knowledge

[Q] Manual 3G Network switch problem

What I am trying to do is have ONLY 3G connection manually, to do this i added a tile in notification bar for 2G to 2G/3G switch, so when i select 2G|3G mode it connects to 3G but after some time it automatically selects 2G (because its 2G|3G, either strong one i guess).
I have also tried selected 3G in network settings, selecting LTE(recommended) also doesn't work.
But I want to be it in 3G mode exclusively even though 2G signal is better.
I have a rooted OPO and can install xposed too, any solution for this will be really helpful !!

Hi
Think you can do this by "dailing" the string *#*#4636#*#* in the dialer app, to bring up the Testing menu. Press "Phone information", then scroll down to "Set prefered network type", there is an option for "WCDMA only".

dazadaza said:
Hi
Think you can do this by "dailing" the string *#*#4636#*#* in the dialer app, to bring up the Testing menu. Press "Phone information", then scroll down to "Set prefered network type", there is an option for "WCDMA only".
Click to expand...
Click to collapse
Perfect.. that exactly what i was looking for !! Thanks..!!

Force LTE Only (4G/5G) for Android 11

Android 11 is Now available force LTE Only for 4G and NR only for 5G
Install Force 4G LTE Only 2020 on Google play is an App to Switch 4G or LTE only and going to testing setting page without secret code. this app is depending your Device ROM. because some type has been restriction by manufacturer.
if you are in a weak LTE coverage area, You need to activate LTE only so it doesn't automatically change to 3G or 2G.
This app has 2 menu button :
1. SIM 1 Only : you need to using SIM 1 as default data connection.
2. Testing Setting as a shorcut to going testing setting page without secret code. Select Device Information to open Phone Info. Select LTE ONLY or NR Only to LOCK 5G
For Instruction : Tap menu at the right top side and select Insstruction.
Buy Pro version for Free ads and has new menu. it is Hidden Activity you can access from top right menu or Tap SIM 1 Only menu and then Tap Hidden Activity - Buy Pro Version
If activate LTE only and your mobile operators doest not support VoLTE (Voice over LTE), it will block to make going calls and receive calls.

hello does this work on Huawei P40 PRO? no gms