I found a few people that have unlocked a Tmobile z3, some say it works with att and others say it doesn't. I am looking to buy one and there is one locally that is a d6616. He suggests to unlock the sim for it to work on att. I read the manual and it says the d6616 can only use LET bands for 2, 4, and 12. so if I read this correctly, unlocking a sim, does only that - unlock the sim for other carriers, not unlock the sim to a d6603 where it has bands 1,2,3,4,5,7,8,13,17 and 20.
Am I correct or are all these D6603, d6633, d6643, d6653 and d6616 all have the same radio and when unlocked is available to all bands?
im skeptical because I have a LG VS980 (lg g2) and it does not have the main band 5 for ATT service so most of the time I get HSPA+ not LTE.
that is a good option,
I just got the D6616 for use on AT&T. Currently seeking a cost effective sim unlock code.
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ZPaul2Fresh8 said:
I just got the D6616 for use on AT&T. Currently seeking a cost effective sim unlock code.
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Does it work fine with at&t? You can unlock more bands, since all z3 use the same soc, snapdragon 801. That's not an easy task but can be done
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I ended up selling it because I couldn't get it unlocked.
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You could get it as cheap as 30 in cell unlocker or 35 in Xperiacodes, I've already unlocked many z1s and I'm using them with other carriers
Carriers that work on band 4
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ang1dust said:
I found a few people that have unlocked a Tmobile z3, some say it works with att and others say it doesn't. I am looking to buy one and there is one locally that is a d6616. He suggests to unlock the sim for it to work on att. I read the manual and it says the d6616 can only use LET bands for 2, 4, and 12. so if I read this correctly, unlocking a sim, does only that - unlock the sim for other carriers, not unlock the sim to a d6603 where it has bands 1,2,3,4,5,7,8,13,17 and 20.
Am I correct or are all these D6603, d6633, d6643, d6653 and d6616 all have the same radio and when unlocked is available to all bands?
im skeptical because I have a LG VS980 (lg g2) and it does not have the main band 5 for ATT service so most of the time I get HSPA+ not LTE.
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No, while they have the same silicon, the RF frontend circuitry is different.
Also, D6616, even if you manage to SIM-unlock it, will be bootloader-locked.
Get a D6603 instead - although since Sony closed down the Sony Store a few days ago, I don't know where you can get one with US warranty any more. Dumb of Sony to close down the ONLY place you could buy a Z3 without doing greymarket import shenanigans.
Is it necessary to unlock bootloader to unlock more bands?
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moses_dx said:
Is it necessary to unlock bootloader to unlock more bands?
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Even if you unlock more bands with software hacks, the circuitry is wrong so you're going to have poor performance on those bands (just like the Nexus 4 LTE hack)
Fortunately my carrier uses band 4 and those 32gb are great, too bad the updates are slow
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Related
Was trying to track down which model of the Z3 I should buy in order to get LTE access on ATT. I have seen some people say to get the 6603 but I was reading a thread that it wasn't working on ATT. Anyone using this phone on ATT and know exactly which model to get in order to use LTE?
The D6603 and D6633 (Dual) both support all of the needed bands for AT&T support. I use a D6633 and have no issues whatsoever on AT&T.
I also use D6633 and get LTE on ATT
D6603 and D6633 will support AT&T LTE. Whatever you do, do not give AT&T your updated IMEI or their system will register it as "unknown" device and you will get 3G only.
I'm using the D6603 on AT&T with no problems (getting LTE just fine).
Hi!
I have the D6653 model, but I need the LTE bands of the D6603.
If I flash the D6603 rom, can I get the bands LTE 700/800/850/900/1700/1800/1900/2100/2600 (1/2/3/4/5/7/8/13/17/20)?
Thanks!
I've read on this in the past when I used to own the D6653. The answer is no because it is hardware related, not software. Something about the physical antennas they put in here. This was a reason for selling my D6653 with a big loss back then.
Hello,
I'm currently on AT&T with an HTC One M7. I've had my fair share of rooting and playing around with this and with my contract ending in 2 months, I've been eyeing the Z3 as my go to device for the next 2 years and intend on buying it before my contract is up to just replace my HTC soon.
1) Currently it would be a hassle for me to call AT&T to get a new nano SIM card, so I guess that purchasing a cutter to convert my current one into a nano SIM would be fine? I wouldn't need to call them up to mess around with a new IMEI or anything assuming I'm basically using the exact same SIM card?
2) I've heard that the D6633 version (dual SIM) has full support for AT&T LTE whereas D6603 is merely only 4G. Can anyone clarify this?
Thank you
I have full LTE on AT&T. I just needed to have a nano SIM card installed at an AT&T store. There were zero issues.
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mch277 said:
2) I've heard that the D6633 version (dual SIM) has full support for AT&T LTE whereas D6603 is merely only 4G.
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I've also got full LTE on a D6603 on AT&T--speed leaves HSPA+ in the dust. Purchased directly from Sony store and registered as a new line with the guy in the AT&T store scanning the box for the IMEI code. No problems at all although it does seem to need a strong LTE signal. At home I have to switch network mode to WCDMA/GSM or it will constantly hunt between LTE and H+ with a significant battery hit.
good day everyone, I want to buy a z3v but want to know if the GSM is unlocked for international carriers even if it remains locked to Verizon. I'd like to use the phone in my country (honduras) and have no intention of using it in the United states.
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luisoman2000 said:
good day everyone, I want to buy a z3v but want to know if the GSM is unlocked for international carriers even if it remains locked to Verizon. I'd like to use the phone in my country (honduras) and have no intention of using it in the United states.
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I am using mine in Jordan without a problem (GSM carrier)
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im using in Chile, works ok gsm , hspa and Lte.
I know from experience for the most part gsm is the majority of the unlocked sim carrier, but I recently came on the moto 4g and 4g+ that were unlocked to every cdma/gsm carrier. I then found out the nexus 5x was the exact same way, so I opted out for a nexus 5x from google fi. Nice phone, but now I'm curious what other phones have the capability of being used and are unlocked for cdma and gsm across the board.
So I am just curious if anyone knew of a list of phones that are unlocked sim for any and/or all carriers IE: sprint, at&t, t-mobile, Verizon, and so on, both cdma and gsm unlocked, not just limited to gsm only.
easyrider77 said:
I know from experience for the most part gsm is the majority of the unlocked sim carrier, but I recently came on the moto 4g and 4g+ that were unlocked to every cdma/gsm carrier. I then found out the nexus 5x was the exact same way, so I opted out for a nexus 5x from google fi. Nice phone, but now I'm curious what other phones have the capability of being used and are unlocked for cdma and gsm across the board.
So I am just curious if anyone knew of a list of phones that are unlocked sim for any and/or all carriers IE: sprint, at&t, t-mobile, Verizon, and so on, both cdma and gsm unlocked, not just limited to gsm only.
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Steve? What's up Buddy?
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Droidriven said:
Steve? What's up Buddy?
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Who me? no way....ok ok I fess up, it's me lol
That's a funny answer to this question btw