Lte - Miscellaneous Android Development

I confused some ware i read that samsung galaxy grand max is 4g phone but mine is not. Can any one help me to use 4g sim card in 3g phone by modifying modem.
Especialy for indians who want to use jio sim cards.

Suraj.123 said:
I confused some ware i read that samsung galaxy grand max is 4g phone but mine is not. Can any one help me to use 4g sim card in 3g phone by modifying modem.
Especialy for indians who want to use jio sim cards.
Click to expand...
Click to collapse
If your device doesn't support 4g then it's no use trying to get it to work. Manufacturers ship various different models of the same device; what happens is you probably did not get a variant with 4g support.
Fortunately, you dont need a 3g sim to use 3g. 4g sims in general are made to support all signal technologies up to 4g so 3g works too.
...alternatively it could just be that you are on an area with poor 4g coverage and your device ends up sticking with 3g
Enviado do meu GT-I9505

Related

Thunderbolt to New Cricket 4G LTE

There's is now 4G coverage in the Houston area.My thunderbolt is already fully flash 3G and stable. Want to enable 4G on this phone. Cricket says requires sim card to work. The only sim cards are with the new LG and Samsung S3 by cricket. I know this is possible by using a unlocked 4G cdma LTE phone with sim slot. Does anyone have a unlocked phone on 4G cricket successfully working!!!
willowtree001 said:
There's is now 4G coverage in the Houston area.My thunderbolt is already fully flash 3G and stable. Want to enable 4G on this phone. Cricket says requires sim card to work. The only sim cards are with the new LG and Samsung S3 by cricket. I know this is possible by using a unlocked 4G cdma LTE phone with sim slot. Does anyone have a unlocked phone on 4G cricket successfully working!!!
Click to expand...
Click to collapse
This is in the wrong thread. Verizon 4g will only work with Verizon. Verizon owns the entire 700mhz band that 4g functions off. This makes it so no other network can use Verizon's 4g
Sent from my ThunderBolt using Tapatalk 2
disconnecktie said:
This is in the wrong thread. Verizon 4g will only work with Verizon. Verizon owns the entire 700mhz band that 4g functions off. This makes it so no other network can use Verizon's 4g
Sent from my ThunderBolt using Tapatalk 2
Click to expand...
Click to collapse
I dont think this is true as verizon can still lease their spectrum to other carriers like Straight Talk to piggy back off their network. The biggest problem for him is going to get a non-approved 4g device on verizons network. Verizon does not want people taking flagship devices to other discount carriers. Networks like Cricket dont actually own any spectrum, they just lease it from the bigger carriers at a discount. But verizon only allows a select group of ESN's to connect to it, usually for crappier phones. Some people will go so far as to clone their ESN to get it to work, but that requires special tools developed for your phone and can be quite tricky.
RunNgun42 said:
I dont think this is true as verizon can still lease their spectrum to other carriers like Straight Talk to piggy back off their network. The biggest problem for him is going to get a non-approved 4g device on verizons network. Verizon does not want people taking flagship devices to other discount carriers. Networks like Cricket dont actually own any spectrum, they just lease it from the bigger carriers at a discount. But verizon only allows a select group of ESN's to connect to it, usually for crappier phones. Some people will go so far as to clone their ESN to get it to work, but that requires special tools developed for your phone and can be quite tricky.
Click to expand...
Click to collapse
Well its pretty obvious that Verizon isn't leasing any part of their lte spectrum since there isn't one single optional carrier that a Verizon 4g phone will work with.
Sent from my ThunderBolt using Tapatalk 2
Is it possible to unlock all GSM bands to but used with Cricket 4G LTE service?
A possible NV Edit is probably all that is required
If I installed any other Sim Card Tmobile for example you get sim card unknown error and no signal
This is being done on other Verizon 4G LTE phones where people doing NV SEEM edits and unlocking all GSM bands. Using with prepaid carriers like Simple Mobile
willowtree001 said:
Is it possible to unlock all GSM bands to but used with Cricket 4G LTE service?
A possible NV Edit is probably all that is required
If I installed any other Sim Card Tmobile for example you get sim card unknown error and no signal
This is being done on other Verizon 4G LTE phones where people doing NV SEEM edits and unlocking all GSM bands. Using with prepaid carriers like Simple Mobile
Click to expand...
Click to collapse
So far no one has managed to do this on the thunderbolt. Its not like other 4g phones and is the only one with svdo enabled.
Sent from my ADR6400L using Tapatalk 2
willowtree001 said:
Is it possible to unlock all GSM bands to but used with Cricket 4G LTE service?
A possible NV Edit is probably all that is required
If I installed any other Sim Card Tmobile for example you get sim card unknown error and no signal
This is being done on other Verizon 4G LTE phones where people doing NV SEEM edits and unlocking all GSM bands. Using with prepaid carriers like Simple Mobile
Click to expand...
Click to collapse
Can the bands the radio receives be changed by software? Isn't the radio physically limited to a range of frequencies?
Sent from my ThunderBolt using Tapatalk 2
I was pretty sure that the radio was locked in to stay at the 700mhz spectrum that Verizon owns. I wouldn't be the least but surprised if it were locked in using hardware as well.
Sent from my ADR6400L using Tapatalk 2
If memory serves, Cricket's LTE is courtesy of Verizon, I read it I think on Engadget a while back... Either way, it goes along with Verizon's Rural Coverage Plan to work with regional carriers to bring LTE to places where people would never expect it.
T-Mo works with AT&T phones because both are 1800Mhz or whatever for EDGE, so I would think if Sprint LTE is 700Mhz....
Sent from my Galaxy Nexus using xda app-developers app
jimmyco2008 said:
If memory serves, Cricket's LTE is courtesy of Verizon, I read it I think on Engadget a while back... Either way, it goes along with Verizon's Rural Coverage Plan to work with regional carriers to bring LTE to places where people would never expect it.
T-Mo works with AT&T phones because both are 1800Mhz or whatever for EDGE, so I would think if Sprint LTE is 700Mhz....
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
Verizon owns the upper c block of the 700mhz spectrum. Read this.
http://www.phonescoop.com/articles/article.php?a=187&p=230
Sent from my ADR6400L using Tapatalk 2
jimmyco2008 said:
If memory serves, Cricket's LTE is courtesy of Verizon, I read it I think on Engadget a while back... Either way, it goes along with Verizon's Rural Coverage Plan to work with regional carriers to bring LTE to places where people would never expect it.
T-Mo works with AT&T phones because both are 1800Mhz or whatever for EDGE, so I would think if Sprint LTE is 700Mhz....
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
I doubt Sprint is using 700 they are probably using spectrum they got from the nextel acquisition (not looking stupid now lol). And of Sprint was using 700 and the had an lte roaming agreement, which they don't, with Verizon..... sprint lte phones would be working in allot more places, which they aren't.
Sent from my ThunderBolt using Tapatalk 2
---------- Post added at 09:46 PM ---------- Previous post was at 09:31 PM ----------
http://m.networkworld.com/news/2012/012312-lte-spectrum-255122.html?page=2
If the info from the above article is correct you can see Sprint lte is not compatible with Verizon or ATT. In my searching I also found that apple made 3 different variants of the iPhone 5 with different lte frequency combinations.
http://www.wired.com/gadgetlab/2012/09/iphone5-lte-model/
Sent from my ThunderBolt using Tapatalk 2
willowtree001 said:
Is it possible to unlock all GSM bands to but used with Cricket 4G LTE service?
A possible NV Edit is probably all that is required
If I installed any other Sim Card Tmobile for example you get sim card unknown error and no signal
This is being done on other Verizon 4G LTE phones where people doing NV SEEM edits and unlocking all GSM bands. Using with prepaid carriers like Simple Mobile
Click to expand...
Click to collapse
those other Verizon 4g Lte phones, like the moto Bionic, have radios and antenna that support those GSM frequencies, and the engineering software tools to perform those tasks have been leaked.
Afaik, but I haven't looked in a while, after making those seem edits it unlocks Gsm/Edge for Att, T-Mobile and global roaming. I think it also enables hspa for Att but not T-Mobile due to frequencies the bionic's radio supports or doesn't support. It does not enable Lte for any other carrier.
its my understanding that the radio chips and antennas in the TB only support Cdma/Evdo and VZW's upper 700mhz block LTE
It also doesnt help that ril for the thunderbolt is closed source because of the svdo capabilities in it.
Sent from my ThunderBolt using Tapatalk 2
Anyone try getting/buying a sim card from cricket?
You would need a SIM for the phone to work at all, right, since it is needed for 3G and 1X on Verizon?
Sent from my Galaxy Nexus using xda app-developers app
jimmyco2008 said:
You would need a SIM for the phone to work at all, right, since it is needed for 3G and 1X on Verizon?
Sent from my Galaxy Nexus using xda app-developers app
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Click to collapse
The sim would be needed for 4g to work. Cricket will provide you with a sim but you will still only get 3g because they can't get Verizon's 4g signal.
Sent from my ADR6400L using Tapatalk 2
But my phone doesn't work at all without a SIM, is it different for cricket?
Sent from my Galaxy Nexus using xda app-developers app
I think to use the phone with cricket you will have to have the sim but still won't be able to use 4g.
Sent from my ADR6400L using Tapatalk 2
Quick Question
"There's is now 4G coverage in the Houston area.My thunderbolt is already fully flash 3G and stable. Want to enable 4G on this phone. Cricket says requires sim card to work. The only sim cards are with the new LG and Samsung S3 by cricket. I know this is possible by using a unlocked 4G cdma LTE phone with sim slot. Does anyone have a unlocked phone on 4G cricket successfully working!!!"
If you don't mind, I was hoping you might be able to tell me how you flashed your thunderbolt to Cricket. I have tried many times unsuccessfully, and to be honest I'm absolutely stuck. I'd appreciate any and all help I can find. Thank you so much Have a wonderful day!
,
Dave

help needed to use 4g only Sim in 3g phone(devs help)

Hi guys recently reliance jio in india launched new 4g service with 4 GB daily free usage for 4 months and unlimited calls for free. they only provide service to 4g lte phones.I know that I will get only 3g speed but that's not a problem. Is there any tricks to use 4g sim on 3g phone. I tried dialing *#*#4636#*#* and selected lte but the menu comes back to wcdma . is it possible to do system changes to trick the phone that it's network is 4g.I use cm 12.1 rooted. If any one can help it will be awesome.
bhavinlanse said:
Hi guys recently reliance jio in india launched new 4g service with 4 GB daily free usage for 4 months and unlimited calls for free. they only provide service to 4g lte phones.I know that I will get only 3g speed but that's not a problem. Is there any tricks to use 4g sim on 3g phone. I tried dialing *#*#4636#*#* and selected lte but the menu comes back to wcdma . is it possible to do system changes to trick the phone that it's network is 4g.I use cm 12.1 rooted. If any one can help it will be awesome.
Click to expand...
Click to collapse
In no way you can change the frequencies if phone's modem doesn't allow you. It's not just faking the icon on status bar.
Sent from my SM-G935F using Tapatalk
bhavinlanse said:
Hi guys recently reliance jio in india launched new 4g service with 4 GB daily free usage for 4 months and unlimited calls for free. they only provide service to 4g lte phones.I know that I will get only 3g speed but that's not a problem. Is there any tricks to use 4g sim on 3g phone. I tried dialing *#*#4636#*#* and selected lte but the menu comes back to wcdma . is it possible to do system changes to trick the phone that it's network is 4g.I use cm 12.1 rooted. If any one can help it will be awesome.
Click to expand...
Click to collapse
hi ....i guess the solution is here
https://forum.xda-developers.com/cr...ad-progress-please-leave-im-updating-t2871269
mrn219 said:
hi ....i guess the solution is here
https://forum.xda-developers.com/cr...ad-progress-please-leave-im-updating-t2871269
Click to expand...
Click to collapse
nice! but works only on qualcomm devices
Sent from my SM-G930F using Tapatalk
mrn219 said:
hi ....i guess the solution is here
https://forum.xda-developers.com/cr...ad-progress-please-leave-im-updating-t2871269
Click to expand...
Click to collapse
It just just unlocks available bands
If your modem does not have LTE band then its useless
It unlocks all bands which the modem supports nothing more
Wuby986 said:
nice! but works only on qualcomm devices
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Click to collapse
right...
The Hard Gamer said:
It just just unlocks available bands
If your modem does not have LTE band then its useless
It unlocks all bands which the modem supports nothing more
Click to expand...
Click to collapse
Idk... maybe the hardware supports it but needs some software changes ... like driver ...
My device (lenovo a3000h) apparently doesn't support 4g but there is "LTE" option in network type in "tablet information "...
I don't think that you can do that.
If the network only uses LTE bands, there's no way you can get '3G speeds' or use your SIM card in a phone that doesn't support LTE.
Sent from my SM-G935F
I tried to find what's the difference between 3g and 4g devices but couldn't find what i wanted ...
maybe both have the same hardware but 4g needs different software and stronger processor ...and they locked it in weak phones to prevent crashes...
how can i unlock my Sprint AQT80 to work on any LTE/CDMA newtork?
plz help and thanks in advanced

Using cricket sim on device?

I have a straight talk S3 (Verizon based) and a cricket sim card. How do I make the cricket sim work in the phone?
XxInSaNeClOwNxX said:
I have a straight talk S3 (Verizon based) and a cricket sim card. How do I make the cricket sim work in the phone?
Click to expand...
Click to collapse
You need a CDMA SIM from any CDMA carrier and it will work as soon as you put it in, then you set your APNs to Tracfone APNs.
If your Cricket SIM is a GSM SIM then it won't work, it MUST be a CDMA SIM.
Verizon CDMA LTE SIMs are only $3-5 on eBay. I'm sure you can afford the price and the wait while it is mailed to you.
Sent from my SCH-I535 using Tapatalk
I used a friend's Verizon Galaxy SIII at one point... kind of... it took a while to detect the network each time the phone started up and it was only EDGE/2G
So, it works for phone calls and very slow data... might be okay if you're usually on wifi, but it's really better to just have a phone that is compatible with Cricket's HSPA+ 3G and 4G LTE network(s).
vdoug said:
I used a friend's Verizon Galaxy SIII at one point... kind of... it took a while to detect the network each time the phone started up and it was only EDGE/2G
So, it works for phone calls and very slow data... might be okay if you're usually on wifi, but it's really better to just have a phone that is compatible with Cricket's HSPA+ 3G and 4G LTE network(s).
Click to expand...
Click to collapse
They are asking about the SIM because they have a straight talk s3 and that device has to use Verizon S3 ROMs and that makes the Straight Talk S3 require a SIM to have working mobile data, it won't work without the SIM. They weren't asking if they can use a Straight Talk S3 on Cricket network.
Sent from my SCH-I535 using Tapatalk

Vodafone India 4g Issue

I have honor 6X indian variant.My 4g connection works fine when I am using Reliance Jio carrier sim card.But when i switch to my vodafone simcard i am unable get 4g data speeds.I am able to view vodafone 4g network and connect to it.But when i turn on my mobile data i am only getting 2g or 3g speed.I have talked with customer care , rechecked my vodafone internet settings they all are fine.Vodafone is set as primary sim and 4g is enabled.Even my subscription plan is 4G plan i have checked.Can anyone help me to resolve this.
Update : 11/09/17
Yesterday i got update BLN-L22C675B340 , after installing there was no immediate change. but today since morning i am able to connect to 4g network all right. Don't know if it was due to carrier issue or phone software issue but its has gone away now for good.
Maybe you live in an area where Vodafone have no band of LTE that's compatible with your device
im using idea 4g. i do get 3g speed sometime when there is no 4g signal but at my home i alway have 4g i got good signal at home.
PalakMi said:
Maybe you live in an area where Vodafone have no band of LTE that's compatible with your device
Click to expand...
Click to collapse
Vodafone keeps sending me sms like please insert your card in sim 1 slot to enjoy 4g.But I hv already kept it as my primary 4g sim.(see the screenshot, its in hindi lang)
chans.best said:
Vodafone keeps sending me sms like please insert your card in sim 1 slot to enjoy 4g.But I hv already kept it as my primary 4g sim.(see the screenshot, its in hindi lang)
Click to expand...
Click to collapse
So this makes my conclusion a logical one, Vodafone doesn't provide a 4G band that's supported by your device in the area where you live!
PalakMi said:
So this makes my conclusion a logical one, Vodafone doesn't provide a 4G band that's supported by your device in the area where you live!
Click to expand...
Click to collapse
its LTE 3 1800 for Vodafone india in mumbai.And honor 6x supports it.
chans.best said:
its LTE 3 1800 for Vodafone india in mumbai.And honor 6x supports it.
Click to expand...
Click to collapse
Really?! That's weird.
I don't know what makes the 4G not working on your device.
chans.best said:
I have honor 6X indian variant.My 4g connection works fine when I am using Reliance Jio carrier sim card.But when i switch to my vodafone simcard i am unable get 4g data speeds.I am able to view vodafone 4g network and connect to it.But when i turn on my mobile data i am only getting 2g or 3g speed.I have talked with customer care , rechecked my vodafone internet settings they all are fine.Vodafone is set as primary sim and 4g is enabled.Even my subscription plan is 4G plan i have checked.Can anyone help me to resolve this.
Click to expand...
Click to collapse
Hide the IMEI info OP.
I use Vodafone 4g in my Honor 6x 3gb variant and its working fine...
From the screenshot you provided, we're you used to set your network manually to Vodafone 3g rather than 4g network?
vsriram92 said:
I use Vodafone 4g in my Honor 6x 3gb variant and its working fine...
From the screenshot you provided, we're you used to set your network manually to Vodafone 3g rather than 4g network?
Click to expand...
Click to collapse
I have always used automatic selection.Even if i manually select vodafone 4g it will register on network but it will still connect to 3g network.
Issue gone away like magic this morning , Don't know how
Updating OP
chans.best said:
Issue gone away like magic this morning , Don't know how
Updating OP
Click to expand...
Click to collapse
That's good to hear, update the title also
chans.best said:
I have always used automatic selection.Even if i manually select vodafone 4g it will register on network but it will still connect to 3g network.
Click to expand...
Click to collapse
Does it have 4g network in your area... how about checking the same in other model.
Mine ia china variant but still all Indian sim works fine except jio volte calling but 4G is fine.

Dual SIM 4G+3G or only 4G+2G ?

I'm contemplating a purchase for a Mate 9 with dual SIM capability ( from Kogan Australia). It's advertised with dual SIM. For me, the secondary SIM would only add value if I can use it on 3G, while I keep the main SIM on 4G.
But in some documentation, the secondary SIM only supports 2G. Has anyone successfully used Mate 9 with 4G+3G SIM combination.
andrewsc said:
I'm contemplating a purchase for a Mate 9 with dual SIM capability ( from Kogan Australia). It's advertised with dual SIM. For me, the secondary SIM would only add value if I can use it on 3G, while I keep the main SIM on 4G.
But in some documentation, the secondary SIM only supports 2G. Has anyone successfully used Mate 9 with 4G+3G SIM combination.
Click to expand...
Click to collapse
For sure....! I also think 4G+4G can work...
If the Australian version is the same as the European version it will support 2G, 3G and 4G on SIM 1 whilst SIM 2 will support 2G and 3G.
Sent from my MHA-L29 using Tapatalk
3G would be great on SIM 2. The problem I'm trying to solve is that our Australian telco ( Optus ) has severely degraded its own mobile network, to the point where we can't receive voice calls anywhere in our suburb. LTE used to work well, not any more. On the other hand, they improved somewhat on their 3G network. My wife is still in contract with cheap plan. So I could arrange a dual-SIM where SIM 1 is on 4G with another telco, while SIM 2 stays at 3G with the old telco. Things may improve for their network, or the company is going down, we shall see.
4G/3G is how it does it.
Both will support 4G but you'll need to put the switcher setting on your homescreen so you can switch quickly - you can't have both on 4G but both will support it. The other will be able to use 3G.

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