z3 dual bluetooth sim - Xperia Z3 Q&A, Help & Troubleshooting

Hi folks,
Anyone knows if we can specify which sim used for bluetooth calls, or per contact ? it seems only Sim1 is used.

Does anyone know the answer to his question. I'd be interested to find out.

I agree, only SIM 1 can
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Related

Variations of moto g

Hello, I see various versions of moto g, in concrete xt1032,33 and 34. What is the difference od the models? Physical fixed?
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Gem radios dual sims CDMA I heard rumors of a LTE varient in the pipeline for AT&T. But don't take that with more than a grain of salt
KitKat slo"g" slide
I see in various models the "M" of the back case in white mate color. Maybe it is a one of possibilities.
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looking to buy a d6616 unlocked for att

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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Click to expand...
Click to collapse
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.
Click to expand...
Click to collapse
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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Click to expand...
Click to collapse
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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NO GSM signal

Hi,
using the Xiaomi Mi 4i I have some issue with the GSM signal (no signal at all; the sim card is correctly read by the phone so I don't think it is a matter of internal sim slot contact).
I'm moving my attention to the antenna but... which is the GSM antenna?
That does not seem to be a Mi 4i. It is a Mi 4... both are totally different from each other. Please check in Mi4 forums.
hell1134 said:
That does not seem to be a Mi 4i. It is a Mi 4... both are totally different from each other. Please check in Mi4 forums.
Click to expand...
Click to collapse
You're completely right.
Thanks
Antenna
sverza said:
Hi,
using the Xiaomi Mi 4i I have some issue with the GSM signal (no signal at all; the sim card is correctly read by the phone so I don't think it is a matter of internal sim slot contact).
I'm moving my attention to the antenna but... which is the GSM antenna?
Click to expand...
Click to collapse
If you wait some days, i will meassure.
Typicaly the larges antenna work in lowest frequency.
If you can do it, I'm grateful.
Please note this is the Mi4 (no Mi4i)
MI4 - MI4i
sverza said:
If you can do it, I'm grateful.
Please note this is the Mi4 (no Mi4i)
Click to expand...
Click to collapse
Ohh. I have an MI4i. not MI4
check antena cable

Dual Active Phone

Aoa,
I need Mobile, a dual active mobile phone in which both Sims remain active while calling ( like when calling on SIM1 if someone call me on SIM2 then SIM2 doesn't show POAWER OFF.)
Currently I'm using Huawei Honor 7 & Asus Zenfone 2, both phones have this option.
I wonder if there are some better phone with dual active option then I would like to upgrade.
4g, 3g data on sims isn't my concern but only calls on both sim..
Ur expert opinions are welcomed...
Regards
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Anyone.?
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LTE Bands?

Hi
This phone have the late band 2 and 4 for America? Thanks
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I don't recommend global version in America because doesn't support any 4G Carrier Aggregation combinations there. I have listed Carrier Aggregation combinations here: https://cacombos.com/device?model=SM-A908B . Better buy device sold from US to get best performance.

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