[Q] unlocked htc one cannot connect to mobile network - AT&T HTC One (M7)

I have an att HTC one which I unlocked and got it working with telcel here in Mexico but I cannot connect to my mobile network. Mobile data only says disconnected. I'm still running the stock Rom, rooted and running bulletproof kernel. I verified with telcel and everything is good on their end. Telcel and att use the same bands. Anybody have any ideas? Thanks in advance. First post

Did you set up the proper APN? In settings - mobile data - access point names?
Also type *#*#4636#*#* into the dialer. Then goto phone information then scroll down and make sure ur settings are set to "gsm/wcdma/lte"
Sent from my HTC One using xda app-developers app

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Data access over mobile network problem

Hi, I use CyanogenMod 7.1.0 on my legend and have problem with data access. My operator doesn't require any setup for 3G internet and this worked with froyo. After flashing new rom I cannot access internet over mobile network anymore. I already checked is data trasfer on and it is. So can anyone help me with this issue. Thank you in advance...
Sent from my Legend using xda premium
I've never heard of a data network carrier that didn't require APNs to set up. That said, of all the networks I've been using on my Legend running CM7, I've had to manually enter each APN into their respective fields. That got it working.
Try checking your carrier's website or talk to one of their CSRs to obtain APN information.
I told tou, my carrier does not require any settings. I already used this before cm7. Not even apn name. Just turn on data transfer.
Sent from my Legend using xda premium
What ROM did you have beforehand? You mentioned Froyo. If it was stock, or some variant, it wouldn't require APN setup due to it coming straight from the carrier or its affiliates.
Ok, I make it works... Finally...
Sent from my Legend using xda premium

Phone not texting

My Phoenix is not texting it just says sending failed...when I use the 4636 code it says gprs disconnected can that be the problem?
Using LG Phoenix at&t fully unlocked GSM in Trinidad with bmobile sim card please help! !!
Sent from my LG-P505 using xda app-developers app
you could try rebooting. im thinking it to be an APN setting that didnt get set when you switched to bmobile. its not linking to your data. if your on a stock rom(thou i dont see any reason it wont work on custom rom) you should call bmobile and see if they have a walk thru. good luck and hope this helps.

Unlocked T Mobile HTC one showing other sim in "R" mode.

Hi,
I have an unlocked T mobile HTC one (bought from Craigslist). It was having a bad IMEI with T mobile (for non payment) but was unlocked (have unlock code). When I pop in a Lyca mobile sim, it takes the signal and everything works. But i could see that there is an "R" symbol near the signal. This, I guess, is "Roaming". Is there any issue/fix with this. I am not sure of what to make of this. Please help/advise.
harihacker said:
Hi,
I have an unlocked T mobile HTC one (bought from Craigslist). It was having a bad IMEI with T mobile (for non payment) but was unlocked (have unlock code). When I pop in a Lyca mobile sim, it takes the signal and everything works. But i could see that there is an "R" symbol near the signal. This, I guess, is "Roaming". Is there any issue/fix with this. I am not sure of what to make of this. Please help/advise.
Click to expand...
Click to collapse
Go to settings > mobile data > and check to see if roaming is checked .
Sent from my HTC One using xda app-developers app
monkeypaws said:
Go to settings > mobile data > and check to see if roaming is checked .
Sent from my HTC One using xda app-developers app
Click to expand...
Click to collapse
It is not checked. Just the "data roaming sound" is checked...
Doesn't Lyca do this with any phone? Try it with another sim from another mvno and see.

Can't get mobile data to work om AT&T.

Just got mine from expansys and got a new sim card. set everything up including installing the AT&T apn file, but still i can't get internet access. Any ideas?
D6503 or D6502? If D6503, LTE ticked on in quick settings?
Sent from my D6503 using XDA Premium 4 mobile app
Check APNs for sure.
I had to go into settings > more (wireless & network) from there you can download Internet settings
Sent from my D6503 using XDA Premium 4 mobile app
To get LTE do not give your z2's imei to AT&T since they need to have an IMEI of an AT&T LTE enabled phone in their system to be able to provision LTE. ( I'm using the imei from my m7). So, put in the sim card, go to where you have WIFI, download the apn, enable LTE or 4G, restart your phone and LTE should work. I figured this out after spending several hours with a supervisor in tech support.
Sent from my D6503 using XDA Premium 4 mobile app
Hi, im having trouble getting LTE on my Z2, there doesnt seen to be an option for LTE. I talk to one of the reps and they updated my sim it with LTE. but all i get is 4G
4G is LTE
Sent from my D6503 using XDA Premium 4 mobile app
Artztt said:
To get LTE do not give your z2's imei to AT&T since they need to have an IMEI of an AT&T LTE enabled phone in their system to be able to provision LTE. ( I'm using the imei from my m7). So, put in the sim card, go to where you have WIFI, download the apn, enable LTE or 4G, restart your phone and LTE should work. I figured this out after spending several hours with a supervisor in tech support.
Sent from my D6503 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
+1. I just swapped in the sim from my Note 3 and used the 'download internet settings' and it works. As was mentioned, '4G' is LTE; I ran a few speed tests to confirm.
prazvt said:
+1. I just swapped in the sim from my Note 3 and used the 'download internet settings' and it works. As was mentioned, '4G' is LTE; I ran a few speed tests to confirm.
Click to expand...
Click to collapse
After getting a rep to activate a sim card from a galaxy note imei and downloaded settings. It works, also compared results from the rep's S5 results lol
thebobness said:
After getting a rep to activate a sim card from a galaxy note imei and downloaded settings. It works, also compared results from the rep's S5 results lol
Click to expand...
Click to collapse
Everytime I use download internet settings, nothing seems to happen?
Yeah I was able to fix the problem by using the cingular apn setting, but that was on the 55 firmware, I updated to the 69 firmware and the default at&t apn settings that you can download to the phone worked. I have a D6503.
I am on ATT, I don't get the LTE icon, only 4G symbol, speed seems fine, but no LTE icon, APN setting was set when I download the MMS setting,
for those Z2 users on ATT, do you have LTE icon on your phone ?
The LTE & 4G icons seem to depend on which firmware you're running. It looks like 55 showed LTE, 69 showed 4G and 402 went back to LTE.
Sent from my D6503 using Xparent Red Tapatalk 2
Yeah I'll also comfirm the firmware icon changes. .69 removed the LTE icon for me too. No worries, speed is still the same.

(Q)sprint phone unlocked for gsm in canada, thinks its roaming?

I unlocked my sprint ls990zv4 for gsm use in canada with WIND mobile using the carrier folder method, only problem is it thinks its roaming. im connected to WIND AWAY intead of WIND. could this be because of buil. prop target carrier? i even tried changing the target country to CA instead of US and changing SPR to spr , bootloop even after changing permissions to rw r r.
i changed the target carrier to OPEN, no boot loop for the first time. the signal bar look has changed and some of the settings items have changed but still only getting roaming.
jass65 said:
I unlocked my sprint ls990zv4 for gsm use in canada with WIND mobile using the carrier folder method, only problem is it thinks its roaming. im connected to WIND AWAY intead of WIND. could this be because of buil. prop target carrier? i even tried changing the target country to CA instead of US and changing SPR to spr , bootloop even after changing permissions to rw r r.
i changed the target carrier to OPEN, no boot loop for the first time. the signal bar look has changed and some of the settings items have changed but still only getting roaming.
Click to expand...
Click to collapse
Did you try a PRL UPDATE?
Sent from my LGLS990 using XDA Free mobile app
MikeDroid said:
Did you try a PRL UPDATE?
Sent from my LGLS990 using XDA Free mobile app
Click to expand...
Click to collapse
How would i go about doing that?
i cant find system updates in my setting under activate this device....is there a manual way ?
jass65 said:
How would i go about doing that?
i cant find system updates in my setting under activate this device....is there a manual way ?
Click to expand...
Click to collapse
If it's not in the update menu, I'm not sure if you can. Maybe try setting your network type to global then if there is no PRL.
Sent from my LGLS990 using XDA Free mobile app
MikeDroid said:
If it's not in the update menu, I'm not sure if you can. Maybe try setting your network type to global then if there is no PRL.
Sent from my LGLS990 using XDA Free mobile app
Click to expand...
Click to collapse
ok, so i inserted a rogers sim and it picked up a gsm signal and says rogers on the lock screen but i crashes with com.systemui has stopped working.i tried setting it to gsm only with shortcut master still no luck.i cant even interact with a gsm sim inside i have to pull out the battery and sim to get it working.
jass65 said:
ok, so i inserted a rogers sim and it picked up a gsm signal and says rogers on the lock screen but i crashes with com.systemui has stopped working.i tried setting it to gsm only with shortcut master still no luck.i cant even interact with a gsm sim inside i have to pull out the battery and sim to get it working.
Click to expand...
Click to collapse
In the General forum on one of the unlocking threads there's a hidden menu apk and some instructions on how to switch network types. Can't remember which one though.
Sent from my LGLS990 using XDA Free mobile app

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