Hello guys, I have a Samsung Galaxy J700T, I used to conect by 2G and 4G (No 3G frequency compatibilitys in my country). I made a factory data reset, and now it doesnt get 4G anymore. I set the Apn correctly, and I am in a place under 4G signal (1800 Mhz), but my cellphone doesnt get it. The cell is from T Mobile (It was brought from US by a cousin). I think the cellphone has the hardware to conect to 4G 1800Mhz (the J700F does), so, if I change the firmware that could fix it?
Does anyone know a solution? . Thanks
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HI,
I just got a samsung I780 and flashed the i780MSHC3 rom, today i got a att pda plan. However, I can't use i780 to connect att's 3g network, always in gsm/gprs....... (using in LA, 3G definitely covered)
Is there anybody having the same problem, or could somebody give me some advice (already called att, but not worked out)
also,
Gyngabread Man could you help me to change my plan to the $30 PDA connect with isp support?
Thank you
Please help...
my date plan is PDA PERSONAL CV TE
I screwed up...
please help
how to make i780 tri-band 3g????
Anybody helps????
whether there is a way make i780 works on att's 3g?
Thanks....................
What phone rom are you using ?
If is an old one, try with the italian one.
http://forum.xda-developers.com/showthread.php?t=384619&highlight=i780+radio
my phone radio rom is:
XIHA7 the Italy rom...
I just wonder whether i780 is capitiable for att's 3g network, if now whether there is a "solution"?
is there anybody else using i780 in U.S. on ATT 3g network?
Thanks.....
The phone does not have 850/1900, only 2100. How do you plan on using AT&T's 3G network without 1900?
Changing the ROM will not give your phone the ability to now utilize AT&T's 3G network.
The weird thing is it won't even connect edge..........
but when insert t-mobile(us)'s card... it at least connected to edge....
and when i "roaming", i can connect to edge network, but with att, without roam, can only connect to gprs........
dats so sucks...
Just whether why some rom will make the i780 has tri-band 3g function
maevro said:
The phone does not have 850/1900, only 2100. How do you plan on using AT&T's 3G network without 1900?
Changing the ROM will not give your phone the ability to now utilize AT&T's 3G network.
Click to expand...
Click to collapse
Sorry to revive an old thread...I can't connect to AT&T's 3G either (I live in Chicago). The band selection on my phone, though, is
1)900/1800
2)1900
3)WCDMA (phone doesn't connect to anything with this selected)
4)Automatic
PDA ROM is DXHE1
Phone ROM is PUHE1
Am I an idiot for buying this phone (I would need 850 instead of 900 on this bad boy?) or am I just not using the right settings?
same problems here...
Unless I'm mistaken it's a hardware issue, no amount of ram flashing will get past the the fact that your phone will not broadcast on the right band...
I got a Tmobile sensation and I m using in Peru, for some reason the network line is in EDGE, or 2g it is the way we can change, the sim card work in 4g in another phone, some body can help me.
check your network settings and see if your running tmobile. maybe att?
Isnot working
Still under 2g, I read I need do something to activate the 850 HSPA in the cellphone.
hello everyone!
i bought a 2nd hand original t-mobile N900T, everything is fine but network, 2g/GSM isworking fine but when i try to switch it to WCDMA ONLY it won't register on the network, i resetted the device but no result, here in afghanistan gsm network is annoying, i have activated 3g data package, it never turns to H or H+ , its olways E,
please help me guys, what should i do, should change the network hardware or what?
thanks!
Hello,
I have Samsung GS3 verizon SCH-I535 With CM13 installed , works perfectly , APN well configured and i connect with 3g, but i still have a problem.
Yesterday i upgraded to 4G , when i plugged the new 4g sim card and rebooted, i had no Network at all, i couldnt even make calls, so i go to settings ==> Network ====> and selected GSM/WCDMA and the network and 3g worked , if i chose LTE or other options it will switch the network off and wont work.
Please help me guys , what should i do ??!
RashidVet said:
Hello,
I have Samsung GS3 verizon SCH-I535 With CM13 installed , works perfectly , APN well configured and i connect with 3g, but i still have a problem.
Yesterday i upgraded to 4G , when i plugged the new 4g sim card and rebooted, i had no Network at all, i couldnt even make calls, so i go to settings ==> Network ====> and selected GSM/WCDMA and the network and 3g worked , if i chose LTE or other options it will switch the network off and wont work.
Please help me guys , what should i do ??!
Click to expand...
Click to collapse
The 4G signal that the networks worldwide use are not the same, GSM 4G is not the same as CDMA 4G, also, some 4G devices in the past were not true 4G, they used Wimax which is not actual 4G. My point is, the 4G your network uses is probably a different signal type or its bands do not match the bands the device supports. Research the exact signal type and frequency bands that Verizon supports, then research what signal type and bands that your network supports.
Many times I've seen 4G CDMA devices used on other networks and 4G could never be made to work, they were stuck with 3G because the device did not support the 4G type their network uses.
Most devices on other networks but still have 4G can count themselves lucky.
Thanks for your reply,
I flashed this rom (CM13) ; http://forum.xda-developers.com/gal...m-cyanogenmod-13-0-nightlies-verizon-t3269675
my provider is "Djezzy" , and i think its 4g LTE.
RashidVet said:
Thanks for your reply,
I flashed this rom (CM13) ; http://forum.xda-developers.com/gal...m-cyanogenmod-13-0-nightlies-verizon-t3269675
my provider is "Djezzy" , and i think its 4g LTE.
Click to expand...
Click to collapse
You "think", no, don't assume anything, even if your provider uses 4G LTE, if the bands/frequencies of your network are not supported by the device's hardware then it isn't going to work. As I said the first time, you need to do the research to see what bands and frequencies Verizon uses and then do the research to see what bands/frequencies your service provider uses. I mean find the actual values of Verizon's bands/frequencies and the actual values of your networks bands/frequencies, you need to compare them to see if the use the same bands/frequencies, not just whether its 4G or LTE or not. Do you understand what I'm saying?
Also, their may be radio/modem incompatibilities, the radio modem is part of the stock firmware that remains on the device, ROMs are just the system partition and not the whole operating system, software that is under the ROM is still the software the device came with or had before you flashed a custom ROM.
I DO NOT PROVIDE HELP IN PM, KEEP IT IN THE THREADS FOR EVERYONE TO SHARE
Is there anyway to enable UMTS 3G on this version of phone. I have used the hidden LG app and selected auto select GSM/WCMDA/LTE but I cannot get any 3G service. All I get is 4G/4GLTE or EDGE and nothing else.
2G service will be stopping soon here and I won't be able to use the phone when in EDGE mode when that happens.
I am on Vodafone in AU and live in poor service 4G area but good service 3G when I used my old Note3. I have also tried a Telstra 4G SIM and the same happens.
Looking at spec for this phone it is radio supported for 2G/3G and 4G but I suspect AT&T may have locked out 3G service.
I cannot find a non AT&T ROM anywhere so I suspect I am stuck with AT&T for the moment which I suspect this may fix the issue. But any help would be appreciated.
yaoihost said:
Is there anyway to enable UMTS 3G on this version of phone. I have used the hidden LG app and selected auto select GSM/WCMDA/LTE but I cannot get any 3G service. All I get is 4G/4GLTE or EDGE and nothing else.
2G service will be stopping soon here and I won't be able to use the phone when in EDGE mode when that happens.
I am on Vodafone in AU and live in poor service 4G area but good service 3G when I used my old Note3. I have also tried a Telstra 4G SIM and the same happens.
Looking at spec for this phone it is radio supported for 2G/3G and 4G but I suspect AT&T may have locked out 3G service.
I cannot find a non AT&T ROM anywhere so I suspect I am stuck with AT&T for the moment which I suspect this may fix the issue. But any help would be appreciated.
Click to expand...
Click to collapse
Strange, because using the same app I'm able to change the network mode from 2G to 3G with ease. And it works well.
Phone is OK
OK the AT&T V10 has no 900Mhz support but has 850Mhz support and 2100Mhz support
After many contacts with Vodafone AU, I found someone that knows their stuff. They tell me coastal areas have 2100Mhz and inland where I am is 900Mhz, so problem not solved but understood. But if I have a Telstra AU SIM they support 850Mhz which this model has.