[Q] How to Unlock HTC One M8 831C Sprint ( Android 6.0 ) - Sprint HTC One (M8)

Hey guys,
I have an HTC One M8 831C Sprint ( Android 6.0 ). The device was bought from USA. Right now Im in India. When I put on any SIM card it will say "Invalid SIM Card: 4G services are unavailable as the sim/uicc is invalid.". I saw some posts regarding how to unlock lollipop devices. Can someone help me in unlocking the marshmallow version? Any help would be appreciated.

Hello, follow this tutoriales, if the insertcoin rom don't work, use any other Android 4.4 rom.
http://forum.xda-developers.com/sprint-htc-one-m8/general/sim-unlock-s-off-t3072722

The current android version is marshmallow. Will that create any problems?

Related

[Q] HTC One 802w 4.3 update?

Hey,
Has anyone with an HTC One 802w (Dual Sim China Unicom) received their update for 4.3 yet? I heard that the India Dual Sim version already got the update.
If it is not here yet, does anyone know when it will be released?
TheOneHD said:
Hey,
Has anyone with an HTC One 802w (Dual Sim China Unicom) received their update for 4.3 yet? I heard that the India Dual Sim version already got the update.
If it is not here yet, does anyone know when it will be released?
Click to expand...
Click to collapse
Hi Bro,
Indian DS version 802d received a small update of 36.31MB ver2.23.720.2 regarding some Network Stability and SMS Transmission.
It's not the 4.3 update. We are also waiting for the same.
mahesh_9j said:
Hi Bro,
Indian DS version 802d received a small update of 36.31MB ver2.23.720.2 regarding some Network Stability and SMS Transmission.
It's not the 4.3 update. We are also waiting for the same.
Click to expand...
Click to collapse
Thanks! I hope it comes quickly
It will come with sense 5.5 after htc max release i have read it somewhere fingers crosed
Sent from my HTC One dual sim using xda app-developers app
Also 4.3 updade will bring to us possibility to change battery , add a second sdcard and lte 200 )))
Que 4.3?
Any news on the 4.3 update for 802W .... now that it is out for the HTC One international version?
Anyone have any updates on this? :fingers-crossed:
At this point, it is safe to say that HTC One 802w is still stuck with version 4.2.2. Hopefully HTC will release an update to 4.4 straight away. No need for 4.3 already since the single sim variant is already on 4.4.
custom rom option 802w
TheOneHD said:
Hey,
Has anyone with an HTC One 802w (Dual Sim China Unicom) received their update for 4.3 yet? I heard that the India Dual Sim version already got the update.
If it is not here yet, does anyone know when it will be released?
Click to expand...
Click to collapse
Hi, I talked to to Venom Development Team... when there are enough people interested they will support the asian dual sim Version with their famous Viper one Rom...
so check it out and vote...
http://forum.xda-developers.com/showthread.php?t=2577724
Update new vision please

[Q] buy one dual sim 802W or 802D

Hi everyone
I want to buy one dual sim
in my country both version 802w and 802d are available
which version has better support ( custom rom , root , recovery ) ?
and are they upgrade to kitkat ?
I had EVO 3D and it had have just one update from GB to ICS and I'm not sure for updating to any newer version of android from HTC
thanks in advance :good:
ardanai said:
Hi everyone
I want to buy one dual sim
in my country both version 802w and 802d are available
which version has better support ( custom rom , root , recovery ) ?
and are they upgrade to kitkat ?
I had EVO 3D and it had have just one update from GB to ICS and I'm not sure for updating to any newer version of android from HTC
thanks in advance :good:
Click to expand...
Click to collapse
Buy a single sim, dual sim has no good development going on. Get a single sim International or Developer Edition, you won't regret it
any idea for dual sim version ?
I still have evo 3d and bought One few weeks ago. On evo I had only one update and on One 3 updates in few days and waiting for Kit kat in January. And development comunity for One with sense is great, so I would recomend any single SIM version. Dual SIM is not nearly as supported as single SIM
op, go for 802w, wont regret it, also are some rom's aviabile

[Q] HTC One dual sim update to Lollipop1

Hi all,
I am based in India and had purchased my HTC One dual sim online (from Ebay). Now i believe i have the Chinese version of the phone as the "Settings->About Phone" doesnt have a "Software Update" option. My phone is currently running on the following softwares:
Android version: 4.2.2
HTC Sense version: 5.0
Need help to update the phone to the latest versions Android Lollipop and Sense 6.0
I am a complete rookie and thus would appreciate a step-by-step, jargon-free reply.
Thanks in advance!
Luella

Updating sim unlocked m8 from sprint US that shows S-OFF in hboot menu

hello
I have recently bought Unlocked Sprint M8 from ebay.in they imported it from us and it is on android 5.0.2
Now my question is, if i can flash marsh mallow RUU for international/unlocked phones? (which i downloaded from htc web site)
i just want to change from the current firmware because my phone is heating up while using the camera app or browsing the web. thanks in advance.
they have different hardware, you should not try to flash international ruu/firmware on sprint model.
Thank you so much for the reply

Please help for simunlock

Hi Everyone,
I have htc one m8 hk (sprint). I have done sim unlock before but today I update my phone to Marsmallow and now sim-unlock is not working. Can you help me please, What information should I provide? (I don`t know much).
Thanks
melihiseri said:
Hi Everyone,
I have htc one m8 hk (sprint). I have done sim unlock before but today I update my phone to Marsmallow and now sim-unlock is not working. Can you help me please, What information should I provide? (I don`t know much).
Thanks
Click to expand...
Click to collapse
I think the latest sim unlock is for Lollipop.
EVOuser94 said:
I think the latest sim unlock is for Lollipop.
Click to expand...
Click to collapse
Is there anyway to downgrade Lollipop?
I am also in the same boat with OP, I have a Sprint HTC One M8 Harmon/Kardon with Marshmallow 6.20.654.3. I live overseas and i need to get this phone sim-unlocked. Can this be done with the current software version or do I need to downgrade the ROM to be able to sim-unlock my phone for use with an international GSM-Network?

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