hi,
I'm on day 2 of trying to sort out my wife's new Captivate, so would appreciate any help at all. Phone is rooted, unlocked and has decent signal, but I cannot connect to 3g.
I'm on Optus network via TPG (Aussie network). I've tried many APN settings, and I'm at the point where I don't think this is the issue (yes, I know this is normally the issue).
I tried going into *#*#4696#*#* and doing WCDMA preferred, and WCDMA only, made sure AUS radio band was selected and did 'Enable data'.... also no help
I've also made sure data is enabled on the sim/account. If I insert the sim into another phone, it works with 3G. So it's something to do with the phone for sure.
Optus' 3g info says "2100MHz frequency band. Enabled with High Speed Packet Access technology (HSPA)". So WCDMA is the correct setting I think.
To be clear, I've never gotted the little 3G symbol at all (or an 'H' symbol that I've seen someone mention). I first tried emulating my own Vibrant's settings exactly, which didn't help.
Any ideas would be great.
thanks.
I'm completely out of options ... is there a chance this is an issue with bad contacts? I fixed my Vibrant's GPS by prying up one of the contacts...
All fixed. If anyone else has this trouble - flash back to stock, following this guide http://forum.xda-developers.com/showthread.php?t=884364
Note - I already had stock, so no idea what the hell was going on, but whatever.
This post should really be a reply to the development thread found here:
http://forum.xda-developers.com/showthread.php?t=1412064&page=4
However, due to my lack of post count, I can't post it there.
In any case, I just wanted to say thank you to the OP. Utilizing the information in that thread and a few others, I was able to get my G2X to recognize 850 MHz UTMS providers. Although I haven't yet had a chance to test the data on these bands due to my current provider not having roaming agreements with them, it seems that being able to see the UTMS network may be a step forward.
Hopefully, I will have a chance to test further tomorrow and verify that the 1900 MHz UTMS band is also working properly.
If these tests prove successful, I will post details on how to enable these bands.
That's awesome, man! Hopefully it works when you test it tomorrow. Good luck
jwells777 said:
This post should really be a reply to the development thread found here:
http://forum.xda-developers.com/showthread.php?t=1412064&page=4
However, due to my lack of post count, I can't post it there.
In any case, I just wanted to say thank you to the OP. Utilizing the information in that thread and a few others, I was able to get my G2X to recognize 850 MHz UTMS providers. Although I haven't yet had a chance to test the data on these bands due to my current provider not having roaming agreements with them, it seems that being able to see the UTMS network may be a step forward.
Hopefully, I will have a chance to test further tomorrow and verify that the 1900 MHz UTMS band is also working properly.
If these tests prove successful, I will post details on how to enable these bands.
Click to expand...
Click to collapse
I am the OP of the thread you referred to, the one about the Qualcomm modem commands. I am very pleased that you were able to use that information to achieve the enabling of other cell radio bands which the modem is capable of but were not available for use. I tried too and was partially successful but not to the point of enabling the recognition of cell service providers which operate on those other bands. I hope that you have succeeded in achieving full operation of the 850 and 1900 MHz UMTS bands which will enable owners of the G2X/P999 phones to connect to networks which use those bands. I am looking forward to your next post.
Core Memory said:
I am the OP of the thread you referred to, the one about the Qualcomm modem commands. I am very pleased that you were able to use that information to achieve the enabling of other cell radio bands which the modem is capable of but were not available for use. I tried too and was partially successful but not to the point of enabling the recognition of cell service providers which operate on those other bands. I hope that you have succeeded in achieving full operation of the 850 and 1900 MHz UMTS bands which will enable owners of the G2X/P999 phones to connect to networks which use those bands. I am looking forward to your next post.
Click to expand...
Click to collapse
If I am understanding correctly, this would allow G2x phones to work with the new T-Mobile LTE 1900 Mhz signal, correct? Or am I way off base?
I believe it's AT&t's networks
jcbofkc said:
If I am understanding correctly, this would allow G2x phones to work with the new T-Mobile LTE 1900 Mhz signal, correct? Or am I way off base?
Click to expand...
Click to collapse
No. The LTE capability is not part of the Qualcomm mdm6600.
http://en.wikipedia.org/wiki/Qualcomm_Gobi
MDM6600™:
Multi-mode modem
HSPA+ with data rates of up to 14.4 Mbit/s
CDMA2000® 1xEV-DO Rev. A/Rev. B support
GPS functionality, including support for Assisted GPS
Since he hasn't posted anything since, it probably didn't succeed. I also sent him a PM which he didn't reply to.
jwells777 said:
This post should really be a reply to the development thread found here:
http://forum.xda-developers.com/showthread.php?t=1412064&page=4
However, due to my lack of post count, I can't post it there.
In any case, I just wanted to say thank you to the OP. Utilizing the information in that thread and a few others, I was able to get my G2X to recognize 850 MHz UTMS providers. Although I haven't yet had a chance to test the data on these bands due to my current provider not having roaming agreements with them, it seems that being able to see the UTMS network may be a step forward.
Hopefully, I will have a chance to test further tomorrow and verify that the 1900 MHz UTMS band is also working properly.
If these tests prove successful, I will post details on how to enable these bands.
Click to expand...
Click to collapse
Unfortunately, as suggested by Core Memory above, I have not been completely successful in this investigation; however, I will post what I discovered along the way for the benefit of others. Perhaps someone else can pickup where I left off and get things working.
First, a summary of the final status:
1) Updated NV Items to enable 850 MHz and 1900 MHz bands
2) Was able to see 850 MHz UMTS providers under the "Search Available Networks"
3) It appeared that a connection was being made to the UMTS provider based upon both the signal strength monitor in "About phone" and the Engineering Mode page that provides data regarding 3g connections
4) In the Engineering Mode page, it seemed that the device was trying to connect (login?) to the network but was not being successful with the login
5) When at the lock screen and forcing the connection to the 850 MHz UMTS network, the "Emergency Only" text appears further suggesting that the connection is working but that my configuration for the network may be wrong.
6) No 1900 MHz providers ever appeared in the network lists while searching. I am not sure whether this is because this band was not functioning or if it was because no such provider existed since I am not terribly familiar with the coverage where I am currently at.
For those who wish to follow this path and test in their own local markets, please see the following steps required to reach this point:
Tools needed:
1) QPST 2.7 (Build 366 or later)
2) QXDM 3.12.714 (or later)
Steps:
1) Install necessary tools on your computer.
2) Enable USB debugging (Settings-->Applications-->Development)
3) Connect phone to PC
4) In the hidden menu (1809#*999#), ensure that Port Setting is configured to CP USB.
5) Launch QPST Configuration
6) Under Ports, select Add New Port.
7) Locate your device and enable the port. (NOTE: There may be two ports available to you here. I believe that you want to use the one that is for Serial / USB/QC connections.
8) From QPST Configuration, launch the "Software Download" tool under the "Start Clients" heading.
9) From here, create a backup QCN file. This backup may or may not enable you to recover from making a mistake later. Also, there is alot of information in this file if you care to navigate through it.
10) Launch QXDM Professional.
11) View-->New-->Common-->NV Browser
12) Options-->Communications-->Target Port (Select your phone)
13) The previous step should have "enabled" the NV Browser lower pane
14) Read and record the following NV Items
a) (441) Band Class Preference (0xFFFF)
b) (946) Expand Band Preference 16 to 32 Bits (0xBFFF)
c) (2954) Bits 32 to 63 of Band Pref (0xFFFFFFFF)
d) (1877) RF Band Configuration (0x0000000002680380)
15) Update item 1877 per discussion below
16) Reboot phone
17) It may be necessary to configure the Modem Setting in the hidden menu to reflect the additional bands.
NV Item configuration discussion:
I am no mobile phone programming expert (< 4 hours playing with them at this level to date); however, as near as I can tell, item 1877 configures the hardware of the modem while items 441, 946, and 2954 appear to be some type of masking bits regarding what bands to prefer. As such, I believe that the original value of item 1877 enables the following RF bands:
(Bit:7) GSM (1800)
(Bit:8) GSM Extended GSM (E-GSM)
(Bit:9) GSM Primary GSM (P-GSM)
(Bit:19) GSM (850)
(Bit:21) GSM (1900)
(Bit:22) WCDMA Band I (2100)
(Bit:25) WCDMA Band IV (1700)
If you set 1877 to 0x000000006E80380, it should enable the following:
(Bit:7) GSM (1800)
(Bit:8) GSM Extended GSM (E-GSM)
(Bit:9) GSM Primary GSM (P-GSM)
(Bit:19) GSM (850)
(Bit:21) GSM (1900)
(Bit:22) WCDMA Band I (2100)
(Bit:23) WCDMA Band II (1900)
(Bit:25) WCDMA Band IV (1700)
(Bit:26) WCDMA Band V (850)
If anyone succeeds in getting any further using this information, I would be very curious to hear of your success. Also, please do share with the community such that we can collectively move forward.
Disclaimer: I accept no responsibility for any damage that you may cause to your phone with these tools or procedures. Please note that these tools give you fairly low-level access to your system that enable you to significantly mess things up. Further, please note that modifying the radio bands on this device may void your warranty and/or be in violation of local regulations as set by your local authority (e.g., the FCC).
jwells777 said:
Unfortunately, as suggested by Core Memory above, I have not been completely successful in this investigation; however, I will post what I discovered along the way for the benefit of others. Perhaps someone else can pickup where I left off and get things working.
First, a summary of the final status:
1) Updated NV Items to enable 850 MHz and 1900 MHz bands
2) Was able to see 850 MHz UMTS providers under the "Search Available Networks"
3) It appeared that a connection was being made to the UMTS provider based upon both the signal strength monitor in "About phone" and the Engineering Mode page that provides data regarding 3g connections
4) In the Engineering Mode page, it seemed that the device was trying to connect (login?) to the network but was not being successful with the login
5) When at the lock screen and forcing the connection to the 850 MHz UMTS network, the "Emergency Only" text appears further suggesting that the connection is working but that my configuration for the network may be wrong.
6) No 1900 MHz providers ever appeared in the network lists while searching. I am not sure whether this is because this band was not functioning or if it was because no such provider existed since I am not terribly familiar with the coverage where I am currently at.
For those who wish to follow this path and test in their own local markets, please see the following steps required to reach this point:
Tools needed:
1) QPST 2.7 (Build 366 or later)
2) QXDM 3.12.714 (or later)
Steps:
1) Install necessary tools on your computer.
2) Enable USB debugging (Settings-->Applications-->Development)
3) Connect phone to PC
4) In the hidden menu (1809#*999#), ensure that Port Setting is configured to CP USB.
5) Launch QPST Configuration
6) Under Ports, select Add New Port.
7) Locate your device and enable the port. (NOTE: There may be two ports available to you here. I believe that you want to use the one that is for Serial / USB/QC connections.
8) From QPST Configuration, launch the "Software Download" tool under the "Start Clients" heading.
9) From here, create a backup QCN file. This backup may or may not enable you to recover from making a mistake later. Also, there is alot of information in this file if you care to navigate through it.
10) Launch QXDM Professional.
11) View-->New-->Common-->NV Browser
12) Options-->Communications-->Target Port (Select your phone)
13) The previous step should have "enabled" the NV Browser lower pane
14) Read and record the following NV Items
a) (441) Band Class Preference (0xFFFF)
b) (946) Expand Band Preference 16 to 32 Bits (0xBFFF)
c) (2954) Bits 32 to 63 of Band Pref (0xFFFFFFFF)
d) (1877) RF Band Configuration (0x0000000002680380)
15) Update item 1877 per discussion below
16) Reboot phone
17) It may be necessary to configure the Modem Setting in the hidden menu to reflect the additional bands.
NV Item configuration discussion:
I am no mobile phone programming expert (< 4 hours playing with them at this level to date); however, as near as I can tell, item 1877 configures the hardware of the modem while items 441, 946, and 2954 appear to be some type of masking bits regarding what bands to prefer. As such, I believe that the original value of item 1877 enables the following RF bands:
(Bit:7) GSM (1800)
(Bit:8) GSM Extended GSM (E-GSM)
(Bit:9) GSM Primary GSM (P-GSM)
(Bit:19) GSM (850)
(Bit:21) GSM (1900)
(Bit:22) WCDMA Band I (2100)
(Bit:25) WCDMA Band IV (1700)
If you set 1877 to 0x000000006E80380, it should enable the following:
(Bit:7) GSM (1800)
(Bit:8) GSM Extended GSM (E-GSM)
(Bit:9) GSM Primary GSM (P-GSM)
(Bit:19) GSM (850)
(Bit:21) GSM (1900)
(Bit:22) WCDMA Band I (2100)
(Bit:23) WCDMA Band II (1900)
(Bit:25) WCDMA Band IV (1700)
(Bit:26) WCDMA Band V (850)
If anyone succeeds in getting any further using this information, I would be very curious to hear of your success. Also, please do share with the community such that we can collectively move forward.
Disclaimer: I accept no responsibility for any damage that you may cause to your phone with these tools or procedures. Please note that these tools give you fairly low-level access to your system that enable you to significantly mess things up. Further, please note that modifying the radio bands on this device may void your warranty and/or be in violation of local regulations as set by your local authority (e.g., the FCC).
Click to expand...
Click to collapse
You've made a lot of progress, your information is very useful. I'll use it for further exploration.
Did you test it with a SIM card with a data plan which uses those bands?
Do you know how to use QPST and/or QXDM flash the phone with a binary file for the baseband?
I did try to connect using sim cards with data plans on the specified frequencies.
As for flashing a baseband, it seems that you should be able to do so with these tools; however, I didn't look into it.
Sent from my LG-P999 using XDA
jwells777 said:
I did try to connect using sim cards with data plans on the specified frequencies.
As for flashing a baseband, it seems that you should be able to do so with these tools; however, I didn't look into it.
Sent from my LG-P999 using XDA
Click to expand...
Click to collapse
The following was done while my phone is using the WIND SIM card which is my carrier and is restricted to AWS (WCDMA 1700) and Network Mode is set to WCDMA only.
I used your instructions to enable the UMTS 850 and 1900 MHz bands. One clarification is necessary. The HexaDecimal number 0x6e80380 = Decimal number 115868544 = Binary number 0b110111010000000001110000000.
The binary number is read from right to left with the first binary bit on the extreme right designated as bit 0 of the 27 bit sequence. The binary number is the key to the hexadecimal number used to program the RF Band Configuration in QXDM. For example, according to Jwells777, bit 23 is set to binary 1 to enable WCDMA Band II (band 2) and bit 26 is set to binary 1 to enable WCDMA band V (band 5). Refer to Jwells777 post in this thread which states the binary bits used to set the phone to use the phone's bands. Here's a binary-decimal-hexadecimal converter: http://www.mathsisfun.com/binary-decimal-hexadecimal-converter.html
The HexaDecimal number 0x000000006E80380 can be entered directly for setting "RF Band Configuration" at line 1877 in the NV browser. The HexaDecimal number is converted into the decimal number 115868544 which will appear when another read is performed. In Engineering Mode, the SW Enabled Band reading of my phone changed from 0x0000000102400000 to 0x0000000106C0000. When I changed the phone's setting to Automatic Band Selection, the SW EnableBand reading changed to 0x0000000106e80180. Changing the settings for Band Selection and/or Network Mode will change the SW EnableBand reading on page 5 of Engineering Mode.
In Band Selection, I enabled WCDMA 1900 which caused my connection to WIND's AWS 1700 to drop. I Looked at page 5 (RF Calibration) of Engineering Mode to see which bands were activated and found:
WCDMA1 : 22.37, 22.45, 0.00
WCDMA2 : 0.00, 0.00, 0.00
WCDMA4 : 23.47, 23.19, 0.00
WCDMA5 : 0.00, 0.00, 0.00
WCDMA8 : 0.00, 0.00, 0.00
GSM850 : 32.70, 32.63, 0.00
GSM900 : 32.76, 32.71, 0.00
DCS1800 : 29.40, 29.50, 0.00
PCS1900 : 30.10, 29.90, 0.00
LOSS:
-1.06, -1.18, -1.24
-1.54, -1.64, -1.74
-1.80, -1.79, -2.01
-2.11, -2.21
The same readings occur with Band Selection set to Automatic or manually to any other band except AWS which is the UMTS band the phone was set up to use at the factory.
This indicates that WCDMA2, 5, and 8 are not RF calibrated but DCS 1800 and PCS 1900 are RF calibrated.
I also found that
When I do a network search, it finds WIND and Public Mobile which operate on UMTS 1700 (AWS) and Bell and Telus which operate on UMTS 850 and 1900 but not Rogers which also operates on UMTS 850 and 1900. (Rogers does appear if I search for GSM networks too.)
"In Canada, UMTS coverage is being provided on the 850 MHz and 1900 MHz bands on the Rogers and Bell-Telus networks. Bell and Telus share the network. Recently, new providers Wind Mobile, Mobilicity and Videotron have begun operations in the 1700 MHz band."http://en.wikipedia.org/wiki/Universal_Mobile_Telecommunications_System
That indicates it is able to receive signals on UMTS 850 (Band 5) and 1900 (Band 2) which should enable the phone to see TELUS, Bell and Rogers.
http://en.wikipedia.org/wiki/UMTS_frequency_bands
When I select connection to Bell or TELUS, the phone tries to register but fails with the message: "Unable to connect to this network at this time. Please try again later." That message is generated by the phone's firmware/software, not the network.
I haven't yet tested the phone with a SIM Card for Rogers or Bell or TELUS. A friend has a Rogers SIM card with a data plan but I don't think it will be of any use to test the phone's supposed additionally enabled bands.
Conclusions:
Cognitive overload.
I am finding this quite confusing because of the variable terminology used such as UMTS, WCDMA, PCS, DCS, and the various bands and transmit and receive frequencies used for each protocol. If someone could make more sense out of the information I've provided, that would be very helpful.
Questions:
Engineering Mode Page 5 (RF Calibration) indicate that WCDMA Bands 2,5, and 8 are not RF calibrated but DCS 1800 and PCS 1900 are. Does this mean that the phone will not transmit on the WCDMA Bands 2,5 and 8 because the RF calibration for transmitting is not available?
If anyone can add something useful to this thread, that would be greatly appreciated.
nvm sorry mood pls delete this
Glad to hear that someone else was able to see the other bands using the information that I posted.
I would also add that I am able to see att in the US but not connect. I receive the same error mentioned by CoreMemory. If anyone has access to an O2X and could provide the qcn dump, it may help configure any other NV Items related to the new bands that we have missed.
Sent from my LG-P999 using XDA
HELP
Core Memory said:
You've made a lot of progress, your information is very useful. I'll use it for further exploration.
Did you test it with a SIM card with a data plan which uses those bands?
Do you know how to use QPST and/or QXDM flash the phone with a binary file for the baseband?
Click to expand...
Click to collapse
hi i'm trying but when insert the code 1809#*999# send me a error " MMI CODE CANDELED "
jwells777 said:
Glad to hear that someone else was able to see the other bands using the information that I posted.
I would also add that I am able to see att in the US but not connect. I receive the same error mentioned by CoreMemory. If anyone has access to an O2X and could provide the qcn dump, it may help configure any other NV Items related to the new bands that we have missed.
Sent from my LG-P999 using XDA
Click to expand...
Click to collapse
I wonder if the qcn dump from the O2X is useful since it has a different modem, it doesn't have the Qualcomm MDM6600 which is in the G2X/P999.
If we could get a qcn dump from another phone which uses the MDM6600 on the bands we want to get working, that would be a lot of help.
The Qualcomm Mobile Data Modem Software Interface 80-Vr001-2 manual would be very useful too.
Core Memory said:
If anyone can add something useful to this thread, that would be greatly appreciated.
Click to expand...
Click to collapse
i think if you post that into LG Optimus 2x forums with some instructions and explaining them. we could get the configuration from them. Soo you could go and ask them and explain them how to get those codes.
EDIT: NVM i just REAd your last post.
If you guys need a tester for anything, im all ears
Core Memory said:
I wonder if the qcn dump from the O2X is useful since it has a different modem, it doesn't have the Qualcomm MDM6600 which is in the G2X/P999.
If we could get a qcn dump from another phone which uses the MDM6600 on the bands we want to get working, that would be a lot of help.
The Qualcomm Mobile Data Modem Software Interface 80-Vr001-2 manual would be very useful too.
Click to expand...
Click to collapse
I didn't think of the fact that the modems are different. I agree with you that it would probably be more useful to have the dump from a phone with the 6600 that is configured for the new bands
Sent from my LG-P999 using XDA
jwells777 said:
I didn't think of the fact that the modems are different. I agree with you that it would probably be more useful to have the dump from a phone with the 6600 that is configured for the new bands
Sent from my LG-P999 using XDA
Click to expand...
Click to collapse
I don't know of anyone with one. As well, the file contains info which the person who supplies it would have to trust us not to use.
we can ask those guys for the configuration codes it seems they use the same modem or item.
http://forum.xda-developers.com/showthread.php?t=992635#12257150
Hi, I recently bought a LG g3 smarthphone and I found out that it's an AT&T version phone, but thankfully it's unlocked. My problem is, that it doesn't get any mobile network. In the setting it says that the Mobile network type this device can use is HSPA, my local carriers can only provide LTE, GSM and WCDMA rat types, I don't know if it's the case. I've tried to solve this on my own, but without luck. The solutions with 3845#*850# or similar codes just woun't work, when I choose any RAT it says: "succsess", but it doesn't change a thing and when I choose "LTE only mode", the phone blocks my mobile connection and says: "Restricted access changed: Data service is blocked" .
I really need any help, because I cannot see myself using a mobile phone without mobile internet. I tried to use 2G, 3G and 4G networks, but none work, nothing appears. Also I tried to fix this problem by flashing a Cloudy ROM wich is lollipop 5.0 and it didn't solve my internet problem. BTW, my location is Estonia.
I really need your help guys, I'm desperate as hell, this is my last option, because I didn't find any other solutions on my own.
Counting on you :3
romax11 said:
Hi, I recently bought a LG g3 smarthphone and I found out that it's an AT&T version phone, but thankfully it's unlocked. My problem is, that it doesn't get any mobile network. In the setting it says that the Mobile network type this device can use is HSPA, my local carriers can only provide LTE, GSM and WCDMA rat types, I don't know if it's the case. I've tried to solve this on my own, but without luck. The solutions with 3845#*850# or similar codes just woun't work, when I choose any RAT it says: "succsess", but it doesn't change a thing and when I choose "LTE only mode", the phone blocks my mobile connection and says: "Restricted access changed: Data service is blocked" .
I really need any help, because I cannot see myself using a mobile phone without mobile internet. I tried to use 2G, 3G and 4G networks, but none work, nothing appears. Also I tried to fix this problem by flashing a Cloudy ROM wich is lollipop 5.0 and it didn't solve my internet problem. BTW, my location is Estonia.
I really need your help guys, I'm desperate as hell, this is my last option, because I didn't find any other solutions on my own.
Counting on you :3
Click to expand...
Click to collapse
I think your a little confused about your network. HSPA IS WCDMA/GSM. You want to just slept gsm/WCDMA/LTE
Sent from my iPhone using Tapatalk
Flashing a ROM is not the solution. AT&T version of the LG G3 covers a limited radio frequency spectrum. It could be that the phone does not cover the frequency of your carrier. Another issue may be with the carrier themselves blocking the IMEI (I know some carriers require registering the IMEI on their network). Of course you must also make sure the carrier has data services available to you.
I kinda have the same problem....
No service.
I've tried everything to no avail.
Help gor a fix.
I'm on PD1 6.0.1 with a G920R7 nTelos. I rooted using CF-Auto root, flashed TWRP for the g920p, and installed the zip file from this thread... http://forum.xda-developers.com/showthread.php?t=2394689
After that I installed Phone INFO ★Samsung★ and used it to access the hidden menus. Went to the 2263 menu and set all band preferences to all and selected the LTE/GSM mode only, then went to the 4636 menu and set the radio to GSM/LTE (prl) auto. I've tried GSM only and it switches back to GSM/LTE (prl) auto on its own.
I now have access to a mess of options in the network mode selection screen in settings, and setting it to GSM only and 3g only still does not allow me to catch signal. In network operators it shows AT&T, yet if you try to manually select the network it never goes through. *#0011# still shows it switching through LTE bands and not staying on one or registering on the network. In the device info screen (4636 menu) it shows the correct phone number and AT&T for current network, but under cellinfo still shows it switching between LTE bands and under GSM disconnects it shows ======DATA======.
At this point I'm not quite sure what to try next. Please let me know if anyone has any ideas to try. Thank you.
EDIT: I've also tried the G920P domestic unlock and G920R4 unlock with a box, but no luck with either as expected.
i can do remotely if u want
blazie151 said:
I'm on PD1 6.0.1 with a G920R7 nTelos. I rooted using CF-Auto root, flashed TWRP for the g920p, and installed the zip file from this thread... http://forum.xda-developers.com/showthread.php?t=2394689
After that I installed Phone INFO ★Samsung★ and used it to access the hidden menus. Went to the 2263 menu and set all band preferences to all and selected the LTE/GSM mode only, then went to the 4636 menu and set the radio to GSM/LTE (prl) auto. I've tried GSM only and it switches back to GSM/LTE (prl) auto on its own.
I now have access to a mess of options in the network mode selection screen in settings, and setting it to GSM only and 3g only still does not allow me to catch signal. In network operators it shows AT&T, yet if you try to manually select the network it never goes through. *#0011# still shows it switching through LTE bands and not staying on one or registering on the network. In the device info screen (4636 menu) it shows the correct phone number and AT&T for current network, but under cellinfo still shows it switching between LTE bands and under GSM disconnects it shows ======DATA======.
At this point I'm not quite sure what to try next. Please let me know if anyone has any ideas to try. Thank you.
EDIT: I've also tried the G920P domestic unlock and G920R4 unlock with a box, but no luck with either as expected.
Click to expand...
Click to collapse
Stifilz does remote unlocks also for free
asadnow2k said:
i can do remotely if u want
Click to expand...
Click to collapse
I have a box but the device isn't supported, it's not locked I must just be missing something. Anyway you could private message me what I'm missing? I've been through all the settings messing with it and all, even flashed the CDMA to GSM zip floating around here. I know I'm missing something silly. Any help would be appreciated and I don't mind sending you a donation provided I can do this myself next time.
TheMadScientist420 said:
Stifilz does remote unlocks also for free
Click to expand...
Click to collapse
I just messaged him on Hangouts. I don't know if its something he can help with or not because I believe we have the same box and the g900r7 isn't supported. This isn't even answered on that Voldemort website.
Did you figure this one out? I'm also interested in GSM unlocking this phone.
Messing around with it I was able to get an ATT Sim card to pull 3g data but no call/text or lte.
Hi everyone.
Last time i was in xda forums was when i try to mod my windows mobile CE 5.0 lol
This is my sad story:
I bought in the US a samsung s7 with T-Mobile SM-G930T, i paid a guy who 'unlocked' it in there. After that i brought it to Colombia, in here i run the T-mobile unlock app which succeded and erased itself after that. Then the cellphone started working with all the mobile companies in my country except for one that operates over 1800 mhz, other companies do work fine. When i insert a simcard of this company it just says that 'Not registered in network' and wont do nothing. I already tried to put the APN settings correctly (Actually it automatically loaded every company settings detected).
After that i tried to root with a modded Odin with a custom ROM and it succeeded and i got the SuperSU application, tho the cellphone its a little laggy now, but neither that way it worked. Anyone knows how where should i start looking?
I went to this company support and they sent me to Samsung support, which redirected me back to this company, lol
Thanks in advance guys
XDA Visitor said:
Hi everyone.
Last time i was in xda forums was when i try to mod my windows mobile CE 5.0 lol
This is my sad story:
I bought in the US a samsung s7 with T-Mobile SM-G930T, i paid a guy who 'unlocked' it in there. After that i brought it to Colombia, in here i run the T-mobile unlock app which succeded and erased itself after that. Then the cellphone started working with all the mobile companies in my country except for one that operates over 1800 mhz, other companies do work fine. When i insert a simcard of this company it just says that 'Not registered in network' and wont do nothing. I already tried to put the APN settings correctly (Actually it automatically loaded every company settings detected).
After that i tried to root with a modded Odin with a custom ROM and it succeeded and i got the SuperSU application, tho the cellphone its a little laggy now, but neither that way it worked. Anyone knows how where should i start looking?
I went to this company support and they sent me to Samsung support, which redirected me back to this company, lol
Thanks in advance guys
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Click to collapse
Hi,
It seems your phone is region locked due to which you are locked onto a particular mhz network frequency...
yes the first step would be to try to a custom rom to see if this over rides this situation or you could try below situation below... this is ideally for s6.... or atlast google search...
http://forum.xda-developers.com/verizon-galaxy-s6/general/enabling-using-servicemode-t3109579
Ok, since now we have root, many users wanted to know if they can lock onto certain LTE frequency bands using Samsung's ServiceMode. So here is a quick guide.
ServiceMode is Samsung's proprietary Engineering Mode, built within the TouchWiz framework, readily available on International variants, and some domestic like T-Mobile. It allows us to observe the RF connection, change certain RF related settings, and lock our phones onto specific technologies and frequencies. Sadly, Verizon has been blocking user access to Engineering Mode for years now.
So in order to enable access to ServiceMode on Verizon GS6/Edge you'll need to:
- Download Root Explorer
- Navigate to /efs/carrier/HiddenMenu
- Use TextEdit to open it (not text viewer)
- Change the value to ON (upper case), Save and Exit
- Restart the phone
Once restarted you can dial:
*#0011# to observe the connection
If you want to lock your device onto a specific LTE band (13, 4, 2):
*#27663368378#
- UE Settings & Info
- Settings
- Protocol
- NAS
- Network Control
- Band Selection
- LTE Band Selection
Here you can force your phone onto a specific Verizon LTE Band (13, 4, 2), or use LTE ALL if you have VoLTE (Advanced Calling) enabled as this will eliminate the need for CDMA radios.
To go back to default, go through the same process but at Band Selection make sure to chose AUTOMATIC.
There are a lot more settings here, you can enable AMR WB on UMTS if you use T-Mobile so you can get HD Voice on their UMTS layer, etc... Carrier Aggregation has already been enabled, so no need to tweak that.
If you aren't sure what certain settings and values correspond to, it's better to avoid tinkering. You're responsible for your own actions.
According to this thread, he posted via visitor.
Then he registered and posted his query here so he seems to have posted in correct section.
Just documenting this here.
Thread closed!
Regards
Vatsal,
Forum Moderator.