No 4G LTE on Lee droid rom, need urgent help. - One (M8) Q&A, Help & Troubleshooting

hii, i am using Lee droid rom 7.4.2 with elemental kernel 4.xx for 2 months and all is working fine but recently i have changed my network to Zong Telecom here in Pakistan which is a subsidiary to china mobile telecom and i purchased its 4g LTE enabled sim card and yes i am in coverage area as well but when i go into settings and select 2g/3g/4g auto i do not get 4g signals and it stays to only H. it means my phone is not getting 4g signal while 3g is working fine... so i went to dialer and entered *#*#4636#*#* and in phone info i changed it to LTE only manually. and after few seconds all network dropped and i am getting zero signal..... i am afraid that this problem is due to my custom rom or custom kernel because i am getting 4g signals in my galaxy s5 .... so any idea what to do please?? any fix?????
Note: Zong telecom uses LTE FDD band 3 @ 1800 Mhz which our M8 supports... so no problem here as well.

n70shan said:
Note: Zong telecom uses LTE FDD band 3 @ 1800 Mhz which our M8 supports... so no problem here as well.
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Specific band support depends on what variant (CID). Are you saying that you know your CID variant supports LTE Band 3? Otherwise, it may not.
Check your APN. Carriers sometimes use a different APN for LTE.
Have you tried the SIM in another phone to verify LTE works on that phone?

redpoint73 said:
Specific band support depends on what variant (CID). Are you saying that you know your CID variant supports LTE Band 3? Otherwise, it may not.
Check your APN. Carriers sometimes use a different APN for LTE.
Have you tried the SIM in another phone to verify LTE works on that phone?
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APN settings are automatically provided by network when we insert sim and restart phone.. 3g is working fine and secondly i dont know about that CID thing i m using lee droid rom which is based on 4.16 european rom i think so, can you please help me out of this??

n70shan said:
i dont know about that CID thing i m using lee droid rom which is based on 4.16 european rom i think so, can you please help me out of this??
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Click to collapse
CID or Carrier ID is the carrier or region version of the phone. It has nothing to do with the ROM, and can only be changed with s-off.
To determine your CID, do adb getvar all. Don't post your IMEI or serial number, if you post the getvar output.
You can also try a CID app, but I think these sometimes are wrong; and adb getvar all is the most accurate way.

redpoint73 said:
CID or Carrier ID is the carrier or region version of the phone. It has nothing to do with the ROM, and can only be changed with s-off.
To determine your CID, do adb getvar all. Don't post your IMEI or serial number, if you post the getvar output.
You can also try a CID app, but I think these sometimes are wrong; and adb getvar all is the most accurate way.
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ok now i know my cid its htc_622 hongkong version... now what to do ??

n70shan said:
ok now i know my cid its htc_622 hongkong version... now what to do ??
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That version should support LTE Band 3. I would try the SIM in another phone, and see if that phone gets LTE. Could be a problem with the SIM or the account.

redpoint73 said:
That version should support LTE Band 3. I would try the SIM in another phone, and see if that phone gets LTE. Could be a problem with the SIM or the account.
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yea now i also think its problem with network or sim card... i will take my phone to zong service centre tommorow thanks for your help

Related

M8_UL always stuck on wcdma preferred..No singnal..Emergency calls only

Hey guyz..Me stuck in deep trouble .need help
i have M8_UL...i purchased its network unlock code...then when i insert sim..no signal..emergency calls only..but it detects sim...i officilally take ota update 4.4 to 5.0 but sme issue...what i do now..plz
What carrier version (CID) of the M8? The product ID of M8_UL covers quite a few carrier versions.
You sure the SIM is good (tried it on another phone)?
BaCkkk said:
Hey guyz..Me stuck in deep trouble .need help
i have M8_UL...i purchased its network unlock code...then when i insert sim..no signal..emergency calls only..but it detects sim...i officilally take ota update 4.4 to 5.0 but sme issue...what i do now..plz
Click to expand...
Click to collapse
test this
Change WCDMA to LTE and see if you get signal. Probably your phone WCDMA bands are locked.
I have the same problem with my M8 and still trying to unlock WCDMA bands since I live in Europe and my HTC was imported from USA.
g510 said:
test this
Change WCDMA to LTE and see if you get signal. Probably your phone WCDMA bands are locked.
I have the same problem with my M8 and still trying to unlock WCDMA bands since I live in Europe and my HTC was imported from USA.
Click to expand...
Click to collapse
bud if u find any solution ever plz give me a update ..thnx
BaCkkk said:
bud if u find any solution ever plz give me a update ..thnx
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Click to collapse
I asked for you to provide further information so we can help, and you didn't do so.
You need to help us help you.

Can I modify or set up a band from my htc one m8 (at&t)??

Hello there guys, im wondering if it is possible to unlock a band from my htc one m8 from at&t, i live in venezuela and my current company (Digitel) the 3g band is 900, but this phone only have the 3g band on 850, my question is can i unlock this by any chances because is annoying that my phone is from E to 4G and manually i can even recive calls when its 4G and it wont change to 3g
(sorry about my english)
You need s-off by sunshine (if not s-off already). Then you can flash another version's radio/firmware to enable the desired band(s).
May also need to change CID and MID (after s-off) if the firmware is signed.
redpoint73 said:
You need s-off by sunshine (if not s-off already). Then you can flash another version's radio/firmware to enable the desired band(s).
May also need to change CID and MID (after s-off) if the firmware is signed.
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Click to collapse
thanks for the reply
i have already s-off my device but im kinda noob in this what firmware do u recommend to actually have this thing working
mabf000 said:
i have already s-off my device but im kinda noob in this what firmware do u recommend to actually have this thing working
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Click to collapse
According to the following specs, Euro or Asia firmware should support 3G 900 MHz: http://www.gsmarena.com/htc_one_(m8)-6074.php
Although, keep in mind you should also verify the LTE (4G) band used by the carrier is also supported by the version's firmware you pick. You didn't state what band your carrier uses for LTE.
Also, it should be kept in mind, anytime you purchase a phone from a 3rd party source (other than your carrier) you need to do the proper research to verify the device actually supports your carrier's network. You're lucky this time (if you get the proper bands working). This is the first smartphone chipset that allows band support to be changed in software. On previous smartphones (and may also be true on other current smartphones using other chipsets), band support was set in hardware, meaning there is no way to change it.
redpoint73 said:
According to the following specs, Euro or Asia firmware should support 3G 900 MHz: http://www.gsmarena.com/htc_one_(m8)-6074.php
Although, keep in mind you should also verify the LTE (4G) band used by the carrier is also supported by the version's firmware you pick. You didn't state what band your carrier uses for LTE.
Also, it should be kept in mind, anytime you purchase a phone from a 3rd party source (other than your carrier) you need to do the proper research to verify the device actually supports your carrier's network. You're lucky this time (if you get the proper bands working). This is the first smartphone chipset that allows band support to be changed in software. On previous smartphones (and may also be true on other current smartphones using other chipsets), band support was set in hardware, meaning there is no way to change it.
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thanks, my carrier uses band 3 (1800MHz) for LTE and for 3g uses band 8 (900MHz) so what firmware do you recommend?
mabf000 said:
thanks, my carrier uses band 3 (1800MHz) for LTE and for 3g uses band 8 (900MHz) so what firmware do you recommend?
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Click to collapse
Same as I've already stated, EMEA (Euro) or Asia supports both those bands.
EMEA is a very common (probably most common) version on this forum, so that may be your best bet as far as ease of getting the files, fellow user support, etc.
redpoint73 said:
Same as I've already stated, EMEA (Euro) or Asia supports both those bands.
EMEA is a very common (probably most common) version on this forum, so that may be your best bet as far as ease of getting the files, fellow user support, etc.
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Click to collapse
OK i have the AT&T htc one m8 with this stock firmware (3.42.502.1)
so if i get the s-off thing, can i install the Unlocked/Developer ROM that is (6.12.1540.4) and get the bands i want?
im looking the roms in this web (http://www.htc.com/us/support/rom-downloads.html)
mabf000 said:
OK i have the AT&T htc one m8 with this stock firmware (3.42.502.1)
so if i get the s-off thing, can i install the Unlocked/Developer ROM that is (6.12.1540.4) and get the bands i want?
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Click to collapse
NO. The Developer version is US, not Euro or Asia. Why do you think the Dev Edition has the bands you want, or corresponds to the Euro or Asia versions?
The Dev Edition has the exact same band support as the AT&T version, so this is the exact opposite of what you want (doesn't have the bands you want).
Euro firmware is probably what I would recommend (as previously stated), and can be found on the following threads (as well as other places):
http://forum.xda-developers.com/showthread.php?t=2696282
http://forum.xda-developers.com/htc-one-m8/development/one-firmware-4-16-401-13-noredtext-t3233629
Follow the instructions as applicable, for changing CID and MID (after s-off).
redpoint73 said:
NO. The Developer version is US, not Euro or Asia. Why do you think the Dev Edition has the bands you want, or corresponds to the Euro or Asia versions?
The Dev Edition has the exact same band support as the AT&T version, so this is the exact opposite of what you want (doesn't have the bands you want).
Euro firmware is probably what I would recommend (as previously stated), and can be found on the following threads (as well as other places):
http://forum.xda-developers.com/showthread.php?t=2696282
http://forum.xda-developers.com/htc-one-m8/development/one-firmware-4-16-401-13-noredtext-t3233629
Follow the instructions as applicable, for changing CID and MID (after s-off).
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I did all the things you say and i installed this RUU_M8_UL_L50_SENSE60_MR_hTC_Asia_WWE_4.19.707.2_Radio_1.25.21331147A1.06G_20.69.4196.01_F_release_414204_signed
im going to test now to see if my phone gets 3g
redpoint73 said:
NO. The Developer version is US, not Euro or Asia. Why do you think the Dev Edition has the bands you want, or corresponds to the Euro or Asia versions?
The Dev Edition has the exact same band support as the AT&T version, so this is the exact opposite of what you want (doesn't have the bands you want).
Euro firmware is probably what I would recommend (as previously stated), and can be found on the following threads (as well as other places):
http://forum.xda-developers.com/showthread.php?t=2696282
http://forum.xda-developers.com/htc-one-m8/development/one-firmware-4-16-401-13-noredtext-t3233629
Follow the instructions as applicable, for changing CID and MID (after s-off).
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Click to collapse
hi how are you? well finally i got to update the firmware and everything but i cant get my phone on 3g, I dont know what when wrong or i dont know if i did something wrong.
What should i do know to test the bands
this is the info on the bootloader
*** Software status: Official ***
*** UNLOCKED ***
M8_UL_CA PVT S-OFF
CID-11111111
HBOOT-3.19.0.0000
RADIO-1.29.214500021.12G
OpenDSP-v51.2.2-00593-M8974_FO.1015
OS-6.12.401.4
eMMC-boot 2048MB
mabf000 said:
well finally i got to update the firmware and everything but i cant get my phone on 3g, I dont know what when wrong or i dont know if i did something wrong.
What should i do know to test the bands
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Click to collapse
Try the SIM in another phone, if possible, to see if it works on 3G on another device.
Also, be sure the APN info for your carrier is properly entered. Double check and triple check every input to make sure every single character is correct. Even a single added space or missing character can prevent you from getting data properly.
redpoint73 said:
Try the SIM in another phone, if possible, to see if it works on 3G on another device.
Also, be sure the APN info for your carrier is properly entered. Double check and triple check every input to make sure every single character is correct. Even a single added space or missing character can prevent you from getting data properly.
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Click to collapse
ok i did what you told me and it works, it gets 3g on a google nexus and the apns is good but my htc still doesnt get 3g
mabf000 said:
ok i did what you told me and it works, it gets 3g on a google nexus and the apns is good but my htc still doesnt get 3g
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How does the APN on the HTC compare to that on the Nexus? Are they identical?
redpoint73 said:
How does the APN on the HTC compare to that on the Nexus? Are they identical?
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Click to collapse
hi well yeah they have the same APN

Frequency bands

I own the HTC One M8 16Go gold Asian version, phone is rooted with ElementalX kernel but stock rom. My phone works with 700 (b28)/900 (b8)/1800 (b3)/2100 (b1)/26000 (b7). I had the TW Mobile carrier in Taiwan. I want to add frequency bands to enable 4G LTE in Canada. Most carriers work with 1700/2100 (b4).
So how to add these frequency bands?
You need s-off ($25 by sunshine app) to change radio baseband (which changes band support).
You can flash AT&T or T-Mob US firmware to change to the corresponding baseband (both support Band 4 LTE). Or the correct Canadian carrier version's firmware; if you want to, and can find it (ATT and T-Mob are probably easier to find).
But you should also verify what bands your carrier uses for 3G, and that the new baseband supports it.
In my experience, AT&T has past or current associations with some of the Canadian carriers (still has partial ownership in some); and the networks share a lot of similarities. So AT&T firmware may be the best bet.
I installed Sunshine app but can't perform any test because it says Xposed Framework has been detected. I delete it but still the same error.
Hsuan24 said:
I installed Sunshine app but can't perform any test because it says Xposed Framework has been detected. I delete it but still the same error.
Click to expand...
Click to collapse
Try to restore the stock ROM, then root and run sunshine.
One thing to keep in mind, its not guaranteed that you will have LTE even with the proper baseband radio firmware. I've seen a number of folks that were not able to get LTE, even after s-off and flashing the proper radio firmware (that supports their carrier's LTE band). Don't know the reason for this, and never saw a solution. But just want you to be aware, in the event you spend the $25 on sunshine, and still can't get LTE.
But the fact that the Canadian networks seem to be very similar to AT&T, leads me to think the AT&T baseband radio will work for you. Not based on any specific/exact experience, just a hunch. So don't come and yell at me, if it doesn't work!

[I747M] Change CSC

Hello everybody,
I have a samsung I747M from Canada. I'm french and I'm using it here.
Data connexions are only in EDGE (the same as 2G). I want to have 3G data connexions. All the settings in the NPA are good.
I think the problem come from the CSC which is still the one attached to Canada (BMC).
All the firmwares are for Canada. I want to change the CSC (BMC now) to XEF (the one for France).
Does someone have an idea to fix this situation ?
Thank you and Merry Christmas !
PS : Sorry for my english...
You might have to carrier network unlock the phone.
Does the i747m support the carrier's 3g frequencies?
StoneyJSG said:
You might have to carrier network unlock the phone.
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Click to collapse
Thank you for your answer but my phone is already unlocked.
I'm using it in France with a local operator (Bouygues). Data connexions are only in 2G and not in 3G.
I think if I will change the CSC it will be good
audit13 said:
Does the i747m support the carrier's 3g frequencies?
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Click to collapse
I think so.. How can I know pleas ?
In network settings there are GSM, LTE etc
You can check here: http://willmyphonework.net/
audit13 said:
You can check here: http://willmyphonework.net/
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Click to collapse
I've checked and it works in 3G
I don't think it is a firmware problem because I took my s3 to London a couple of years ago. It was running stock bell firmware, network unlocked, and I was able to get 3G data connections without doing anything to the stock rom. Changing the Csc should not make a difference.

need some help to change radio basebands on htc one m8 gsm

Hi.
I need some help to change radio baseband on my m8 (0P6B130) so LTE/4G works with Telenor Norway ( https://www.frequencycheck.com/carriers/telenor-norway ).
it's s-off and cid 11111111
currently running: RUU_M8_UL_M60_SENSE70_MR_BrightstarUS_WWE_6.12.1540.4
have tried this rom also, without getting LTE/4G working: 0P6BIMG_M8_UL_M60_SENSE70_MR_HTC_Europe_6.12.401.4_Radio_1.29.214500021.12G_20.72.4196t.01_release_464360_signed
ive found this: https://forum.xda-developers.com/showthread.php?t=2736921
but not sure what image will work for me, if any.
if possible i have another m8 (OP6B100) working with LTE/4G, if there is a way to read/save radio from that one and move to my new phone?
What LTE band(s) does your carrier use?
3G works okay? Or how about 2G data?
both 2g and 3g working 100%, im only missing working LTE/4G.
as far i figured out my carrier Telenor Norway use B3 B7 and B20 for LTE/4G.
but i can not figure out what radio that supports those bands and to try out
rmhalvorsen said:
both 2g and 3g working 100%, im only missing working LTE/4G.
as far i figured out my carrier Telenor Norway use B3 B7 and B20 for LTE/4G.
but i can not figure out what radio that supports those bands and to try out
Click to expand...
Click to collapse
According to these specs, the Euro version should support those bands (1800, 2600, 800 MHz respectively). Which would go along with the statement that you have a model OP6B100 which as working LTE. But it doesn't explain why Euro RUU 6.12.401.4 doesn't give you working LTE.
Does the APN on the working (LTE) M8 match what you have on the other one?
the one im missing lte on is a 0P6B130 as statet, its my old one that is OP6B100 that have working lte.
apn match, and verified with settings off carrier website
rmhalvorsen said:
the one im missing lte on is a 0P6B130 as statet, its my old one that is OP6B100 that have working lte.
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Click to collapse
I understand that already. All these phones are the same in hardware, the band support is (supposedly) determined in the radio baseband firmware. What I'm saying, is that one you flashed the 0P6B130 device with the Euro RUU 6.12.401.4, it should (in theory, at least) have the same band support as the OP6B100 (Euro) device.
However, we've seen this before, where M8 devices have been properly "fully converted" to another region/version, but will still not get LTE service in that region. We've seen this a number of times, and I have not seen any good explanation, and unfortunately, no solution.
thats what i thought after a few days googling, and reading around in here too.
can it have been some fault in flashing of radio even it said right radio version in hboot and android?
is there a rom for just flashing radio from the 6.12.401.4 RUU ?
tried to make backup of radio on OP6B100 from adb shell, but its not rooted so that went nowhere

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