[Q] No LTE issue

donnydotter · Jun 8, 2014

I have an AT&T HTC One M7 and I haven't had any LTE connectivity since I got it. I downloaded the appropriate radios and ll that nonsense. it's currently running the ViperOne rom, its bootloader is unlocked, and it is rooted. I am almost positive this phone is supposed to support LTE which is why I'm so confused. Any help at all is appreciated.

I restored to stock several times but the the best speeds I can get are HSPA+

This is pretty frustrating so I'll take any help I can get.

Thanks in advance

clsA · Jun 8, 2014

donnydotter said:
I have an AT&T HTC One M7 and I haven't had any LTE connectivity since I got it. I downloaded the appropriate radios and ll that nonsense. it's currently running the ViperOne rom, its bootloader is unlocked, and it is rooted. I am almost positive this phone is supposed to support LTE which is why I'm so confused. Any help at all is appreciated.

I restored to stock several times but the the best speeds I can get are HSPA+

This is pretty frustrating so I'll take any help I can get.

Thanks in advance

in the bootloader does you phone say M7_U or M7_UL only the UL have LTE

donnydotter · Jun 8, 2014

clsA said:
in the bootloader does you phone say M7_U or M7_UL only the UL have LTE

It says M7_UL PVT SHIP S-ON RH

Thanks for the quick response

clsA · Jun 8, 2014

donnydotter said:
It says M7_UL PVT SHIP S-ON RH

Thanks for the quick response

Dial *#*#4636#*#* and Change Preferred Network Type to one with LTE

Mine is set to GSM/WCDMA/LTE auto

donnydotter · Jun 8, 2014

clsA said:
Dial *#*#4636#*#* and Change Preferred Network Type to one with LTE

Mine is set to GSM/WCDMA/LTE auto

Sorry I'm a noob, but all I see when I type that is Phone information, battery information, usage statistics, and wi-fi information.
Would you be able to step by step it for me? I really appreciate it.

clsA · Jun 8, 2014

donnydotter said:
Sorry I'm a noob, but all I see when I type that is Phone information, battery information, usage statistics, and wi-fi information.
Would you be able to step by step it for me? I really appreciate it.

under phone information it's near the bottom

just above the turn off radio button

donnydotter · Jun 8, 2014

clsA said:
under phone information it's near the bottom

just above the turn off radio button

I set mine to GSM/WCDMA/LTE auto and it keeps automatically changing to WCDMA preferred?

clsA · Jun 8, 2014

donnydotter said:
I set mine to GSM/WCDMA/LTE auto and it keeps automatically changing to WCDMA preferred?

yeah the network decides ...are you using a t-mobile sim ?

donnydotter · Jun 8, 2014

clsA said:
yeah the network decides ...are you using a t-mobile sim ?

No I am using an AT&T sim that I got from the store about a week ago. I was able to get it on to the GSM/WCDMA/LTE auto after turning off the radio, switching it, and turning it back on, but still no LTE

Went back in, and it's back to WCDMA preferred

clsA · Jun 8, 2014

donnydotter said:
No I am using an AT&T sim that I got from the store about a week ago. I was able to get it on to the GSM/WCDMA/LTE auto after turning off the radio, switching it, and turning it back on, but still no LTE

are you on stock AT&T some roms show 4G for lte

do a speed test if your getting above 5Mbps your on LTE

donnydotter · Jun 8, 2014

clsA said:
are you on stock AT&T some roms show 4G for lte

do a speed test if your getting above 5Mbps your on LTE

I did a speed test, and even when I was on stock it was reading 4G. This rom is showing H+. My speed tests are trash right now (>1mbps) and I am in an LTE area (Philadelphia)

clsA · Jun 8, 2014

donnydotter said:
I did a speed test, and even when I was on stock it was reading 4G. This rom is showing H+. My speed tests are trash right now (>1mbps) and I am in an LTE area (Philadelphia)

I would RUU back to stock so your back on AT&T Firmware and see if it's fixed

donnydotter · Jun 8, 2014

clsA said:
I would RUU back to stock so your back on AT&T Firmware and see if it's fixed

alright I'll give that a try. Thanks a lot. I'll post later with any updates

donnydotter · Jun 18, 2014

Alright it's been awhile now and I still don't have LTE connectivity. How do I find out which radio I need and how do I find my MD5 or whatever so I can help someone here help me? Thanks in advance

clsA · Jun 19, 2014

donnydotter said:
Alright it's been awhile now and I still don't have LTE connectivity. How do I find out which radio I need and how do I find my MD5 or whatever so I can help someone here help me? Thanks in advance

I need fastboot getvar all results to find you a RUU
remove your serial number and IMEI from the printout

miketamm · Jul 31, 2014

I'm having the same issue on a stock rom. It just started a few days ago. Switching it under phone information menu only works for a short time as it switches it back to wdcma preferred. I called CS and they opened a tech ticket. I'm certain this will go unresolved as most calls to CS do. I do have an older SIM so I was thinking of swapping the SIM. My wife has a HTC One M8 and hers doesn't experience the same issue.

clsA · Aug 1, 2014

miketamm said:
I'm having the same issue on a stock rom. It just started a few days ago. Switching it under phone information menu only works for a short time as it switches it back to wdcma preferred. I called CS and they opened a tech ticket. I'm certain this will go unresolved as most calls to CS do. I do have an older SIM so I was thinking of swapping the SIM. My wife has a HTC One M8 and hers doesn't experience the same issue.

yes a new sim provisioned for LTE would most likely help

miketamm · Aug 1, 2014

While I was waiting for a response I put the sim in a galaxy s3 and it worked perfect. Do you still think it might be the sim? Thanks

miketamm · Aug 1, 2014

If I put in it airplane mode and then back to normal it seems work that way it should. So what is different about airplane mode versus turning the radio off and then back on? Turning the radio off and then back on does not work.

[Q] No LTE issue

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