Second sim card not detected after firmware update - One (M8) Q&A, Help & Troubleshooting

after updating my Htc one m8 dual sim the second sim slot not detected no chip and no network ? please help ?

radioxmen said:
after updating my Htc one m8 dual sim the second sim slot not detected no chip and no network please help
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Okay.
Updated it how? With dual sim firmware? Or firmware from this thread (I don't think @Sneakyghost has any dual sim firmware downloads)?
Link me to what firmware you upgraded to.

xunholyx said:
Okay.
Updated it how? With dual sim firmware? Or firmware from this thread (I don't think @Sneakyghost has any dual sim firmware downloads)?
Link me to what firmware you upgraded to.
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Click to collapse
Updated with OTA

radioxmen said:
Updated with OTA
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Click to collapse
Okay.
Then you are asking this question in the wrong thread.
Your issue has nothing to do with anything here.
I'll ask the mods to move this to the appropriate forum.

Related

help please HTC M8 Dual SIM

Hello
I have a HTC M8 Dual SIM Europe
I want to work Root
Worked Unlock Bootloader :good:
I want a full explanation of the Root :crying::crying:
I need your help
I need your help​
zeko506 said:
Hello
I have a HTC M8 Dual SIM Europe
I want to work Root
Worked Unlock Bootloader :good:
I want a full explanation of the Root :crying::crying:
I need your help
Click to expand...
Click to collapse
Hi brother, try the search function and you will find a thread in this Q&A section:
GUIDE] How to root m8_dugl (M8 Dual SIM)
guidogsbn said:
Hi brother, try the search function and you will find a thread in this Q&A section:
GUIDE] How to root m8_dugl (M8 Dual SIM)
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Click to collapse
how to s-off??
sudanking said:
how to s-off??
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Click to collapse
Hi m8,
"sunshine" as mentioned in my signature. That means paid = not for free.
guidogsbn said:
Hi m8,
"sunshine" as mentioned in my signature. That means paid = not for free.
Click to expand...
Click to collapse
Thanks... I was expecting something else to till.... Like a free solution
guidogsbn said:
Hi m8,
"sunshine" as mentioned in my signature. That means paid = not for free.
Click to expand...
Click to collapse
Sorry to hijak, but guidogsbn - where did you get your M8 Dual SIM?
I live in thailand and ordered one from ebay - the model I got was the M8d - which appears to be CDMA Sim 1 and GSM Sim 2 - which is not what I need. I need Sim 1 and Sim 2 to be both GSM
I am told by the vendor that he has a solution to the problem and I need to send the phone back - but I dont believe there is any software solution to this and it means a complete change of device
So is your Dual sim both GSM? What is the model code on the device? Where did you buy it from - preferably website in english
Thanks

is my m8 fake??

Hi guys,
I just received my HTC m8 bbuti noticed something strange first of all the Rom was already installed and it was in Chinese, second I looked in the hardware details and on phone name says my htcm8x and at the back oh the phone on the buttom in the model it says one m8x what is m8x anyway?? Should I be worrying?
It's an Asian version M8 with 2.5 GHz processor
Mine is M8x too.
liorderei said:
Hi guys,
I just received my HTC m8 bbuti noticed something strange first of all the Rom was already installed and it was in Chinese, second I looked in the hardware details and on phone name says my htcm8x and at the back oh the phone on the buttom in the model it says one m8x what is m8x anyway?? Should I be worrying?
Click to expand...
Click to collapse
Thats the Indonesian Version of the HTC M8,(Dual Sim) Here are some more details:
http://pdadb.net/index.php?m=specs&id=5997&c=htc_one_m8x_2014_lte-a_htc_m8
ckpv5 said:
It's an Asian version M8.
Mine is M8x too.
Click to expand...
Click to collapse
Root-Maniac said:
Thats the Indonesian Version of the HTC M8,(Dual Sim) Here are some more details:
http://pdadb.net/index.php?m=specs&id=5997&c=htc_one_m8x_2014_lte-a_htc_m8
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Click to collapse
thanks for the replies
Are there any hardware difference? Does all custom rims and unlock works the same?
liorderei said:
thanks for the replies
Are there any hardware difference? Does all custom rims and unlock works the same?
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Click to collapse
I can't talk about dual SIM version as mine is a single SIM version.
For single SIM, yes all hardware almost the same except the processor.
And all custom ROMs and unlock work the same as other Int'l GSM M8.
For dual SIM ... none of the custom ROM made for single SIM work on it.
So .. which is yours ? Single SIM or dual SIM ?
I don't think I have dual SIM...I have a place in the left upper side for SIM and right upper side for ad card.. and what's the differences in the processorsthank for the replies I'm really nervous here :/
ckpv5 said:
I can't talk about dual SIM version as mine is a single SIM version.
For single SIM, yes all hardware almost the same except the processor.
And all custom ROMs and unlock work the same as other Int'l GSM M8.
For dual SIM ... none of the custom ROM made for single SIM work on it.
So .. which is yours ? Single SIM or dual SIM ?
Click to expand...
Click to collapse
liorderei said:
I don't think I have dual SIM...I have a place in the left upper side for SIM and right upper side for ad card.. and what's the differences in the processorsthank for the replies I'm really nervous here :/
Click to expand...
Click to collapse
Yours is a single SIM like mine.
No need to worry too much on processor thing. HTC release a few type of processor to certain region.
Most important, take note the software version no. in settings - about
and make a backup before you do anything else like installing a custom ROM
ckpv5 said:
Yours is a single SIM like mine.
No need to worry too much on processor thing. HTC release a few type of processor to certain region.
Most important, take note the software version no. in settings - about
and make a backup before you do anything else like installing a custom ROM
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Click to collapse
thanks a lot for your help you really calmed me down, My software version is 1.54.709.12 does it matters? And I'll try to unlock it and change it to s-off in a couple of hours I hope everything will go smooth
liorderei said:
thanks a lot for your help you really calmed me down, My software version is 1.54.709.12 does it matters? And I'll try to unlock it and change it to s-off in a couple of hours I hope everything will go smooth
Click to expand...
Click to collapse
There's a new update to 2.22.709.4 for your device.
Check for software update first before you do unlocking (settings - about - software update)
ckpv5 said:
There's a new update to 2.22.709.4 for your device.
Check for software update first before you do unlocking (settings - about - software update)
Click to expand...
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Will do, thanks a lot man I really appreciate your help!!

A520F firmware compatibility of Single SIM firmware and Dual SIM firmware

Hi guys
I known that this A5 2017 model have two types.
1) A520F - Single SIM model
2) A520F/DS - Dual SIM model
I have question of Dual SIM model and single sim model firmware compatibility.
Q#1)What if i flashed Single sim firmware (EX)AU-Vodafone, CSC:VAU) on dual sim hardware model (A520F/DS),
Is it working only Single sim mode? or it can working Dual sim mode even Single sim firmware(VAU)?
Q#2) if Q#1 is true and flashed Single sim firmware then restore to Dual sim firmware (like India, Taiwan, UAE regions firmware will support Dual SIM),
Is it restored fully dual sim mode from Single sim firmware ? I am worrying if i flashed Single sim firmware then back to Dual sim firmware, modem(Like IMEI #1, #2)/baseband information lost or not
and bootloader locked by previous(Single sim) flashed bootloader. Also it it void Knox warranty? I known that official firmware cross flash is not void know warranty, is it correct?
Thank you
Just flash with odin, know will not be triggered by flashing official firmware.
Just test it, u won't lose ur data en if anything went wrong just flash your stock firmware back.
bassbounce said:
Just flash with odin, know will not be triggered by flashing official firmware.
Just test it, u won't lose ur data en if anything went wrong just flash your stock firmware back.
Click to expand...
Click to collapse
Thanks for your advance.
I will try it if i buy A520F model.
BTW ,Who have gps poor reception problem using A5 2017 model??
Some of A5 2017 users(A520S,A520F) have poor gps reception problem. They says it may hardware problem and sometimes they wont get gps signal on the Google maps even outdoor location.
Pulverizer said:
Thanks for your advance.
I will try it if i buy A520F model.
BTW ,Who have gps poor reception problem using A5 2017 model??
Some of A5 2017 users(A520S,A520F) have poor gps reception problem. They says it may hardware problem and sometimes they wont get gps signal on the Google maps even outdoor location.
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Click to collapse
GPS is really good, I have no problems with it.
No GPS issue here all works flawlessly, using A5 dual-SIM model
Sent from Public Phone
bassbounce said:
GPS is really good, I have no problems with it.
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amlbuton said:
No GPS issue here all works flawlessly
Sent from Public Phone
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Thanks for sharing exact information.
I rooted mine came with uae firmware. Installed french Firmware and everything is fine
Sent from my MI 5s using Tapatalk
rehanraza80 said:
I rooted mine came with uae firmware. Installed french Firmware and everything is fine
Sent from my MI 5s using Tapatalk
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Click to collapse
Hi, have you root Single SIM to DUAL Sim ? And you bought new holder for second SIM and everything is ok? Which FW have did you use?

Flash SM-A520F/DS with a SM-A520F firmware?

Hello there,
Recently I bought a Samsung A5 2017 in Indonesia (model dual sim) and would like to know if it's possible to put a french firmware (so a firmware of SM-A520F) on SM-A520F/DS model?
Thanks for your help
Sangothen said:
Hello there,
Recently I bought a Samsung A5 2017 in Indonesia (model dual sim) and would like to know if it's possible to put a french firmware (so a firmware of SM-A520F) on SM-A520F/DS model?
Thanks for your help
Click to expand...
Click to collapse
It would be wiser to use dual sim firmware rather than single sim firmware
Sent from my SM-A520F using Tapatalk
Thanks but I don't find any dual sim firmware even on Sammobile....
Is there a risk of brick if I flash with a single sim firmware? Or maybe there's another solution?
Sangothen said:
Thanks but I don't find any dual sim firmware even on Sammobile....
Is there a risk of brick if I flash with a single sim firmware? Or maybe there's another solution?
Click to expand...
Click to collapse
I was worried too but I tried to use the normal a520f firmware and it worked fine.
BTW Some apps may not work because they will assume you are rooted eg. S HEALTH and secret mode on browser but you can actually root to get around this by editing a line in build.prop
I'm on the same boat, only with the A3: I've bought my phone as an A320F/DS (that's what the box says, and indeed it has double SIM), but when you check Settings--»About phone--»Model name, it only says A320F (without the DS). And then when you look for firmware updates in Samsung website, you only find for the A320F. Might it be that A320F/DS is only a second, alternative denomination for the A320F, being both identical? (Same would happen with the A7.)
Sangothen said:
I would like to know if it's possible to put a french firmware (so a firmware of SM-A520F) on SM-A520F/DS model?
Click to expand...
Click to collapse
It's one year since your question, but still my answer may help others:
I've flashed a SM-A320F stock firmware on my SM-A320F/DS and it works perfectly. I believe that the A series firmwares are exactly the same for single SIM and dual SIM models.
In trying to sort this out for the s7 g935f/ds, I believe I was told that indeed the F firmware is the correct firmware for both 1 and 2 sim models. There was no FDS firmware at all.

Dual sim and carrier firmware

I have ordered the dual sim version of the note 8. Naturally EE uk offer volte only on phones bought from them... Could be possible to flash the carrier firmware that support only one sim on the dual sim version?
Thank you
marko68 said:
I have ordered the dual sim version of the note 8. Naturally EE uk offer volte only on phones bought from them... Could be possible to flash the carrier firmware that support only one sim on the dual sim version?
Thank you
Click to expand...
Click to collapse
Wha? No Note 8.0 ever go dual sim variants, even in the UK, which are phablets. Being 3 year old hardware, the only custom ROMs worth while now have modem updates but are limited to the carrier info. You would need to provision with a proper simple from the provider you intend on usingl
gooberdude said:
Wha? No Note 8.0 ever go dual sim variants, even in the UK, which are phablets. Being 3 year old hardware, the only custom ROMs worth while now have modem updates but are limited to the carrier info. You would need to provision with a proper simple from the provider you intend on usingl
Click to expand...
Click to collapse
My question is simple, can I flash the single sim firmware on the dual sim version of the phone?
marko68 said:
I have ordered the dual sim version of the note 8. Naturally EE uk offer volte only on phones bought from them... Could be possible to flash the carrier firmware that support only one sim on the dual sim version?
Thank you
Click to expand...
Click to collapse
marko68 said:
My question is simple, can I flash the single sim firmware on the dual sim version of the phone?
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Click to collapse
My answer was simple, don't flash our firmware to your dual sim Chinese Note 8.0. You'll brick it!
gooberdude said:
My answer was simple, don't flash our firmware to your dual sim Chinese Note 8.0. You'll brick it!
Click to expand...
Click to collapse
Your answer is very wrong because it's not Chinese but official UK dual sim version from Samsung UK ??
marko68 said:
Your answer is very wrong because it's not Chinese but official UK dual sim version from Samsung UK
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Click to collapse
Nope never was a dual sim Note 8.0! Go get educated before you post anything more on the Note 8.0 threads. Obviously you don't know any of these tablets.
gooberdude said:
Nope never was a dual sim Note 8.0! Go get educated before you post anything more on the Note 8.0 threads. Obviously you don't know any of these tablets.
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Click to collapse
hahahaha hahahaha
The Note 8 is not a tablet hahaha oh my God, and you should know android world? Hahahaha
:laugh::laugh::laugh::laugh:
http://www.samsung.com/uk/smartphon...ote 8&ef_id=WcAjTwAAAJk6kU08:20170918194935:s
marko68 said:
Your answer is very wrong because it's not Chinese but official UK dual sim version from Samsung UK
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Click to collapse
marko68 said:
hahahaha hahahaha
The Note 8 is not a tablet hahaha oh my God, and you should know android world? Hahahaha
:laugh::laugh::laugh::laugh:
http://www.samsung.com/uk/smartphon...ote 8&ef_id=WcAjTwAAAJk6kU08:20170918194935:s
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Click to collapse
Then why are you posting on a tablet section asking such questions! Douch bag!

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