Htc desire 816 calling problem ,Please help - Desire 816 Q&A, Help & Troubleshooting

My Htc Desire 816 W dual Sim won't make regular voice call when I called anyone it said"call ended" and i tried both SIM solts and the problem still the same knowing that I received calls just fine the problem that i can't make them.
P.S my phone is rooted

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htc one x unlocking problem

hi there i got a strange problem in my htc one x.i can use only uk 3g sim in that phone and phone not getting any netwrok singals with other sim cards.Its not asking for any unlock code or network locked when i turn on with diffrent sim cards.its recognised all sim but no signals only emergency calls but perfectly working with 3 sim.
is it because some one tried so many wrong attempts to unlock the phone?
if its so is there any solution to unlocked that phone.
dont think its barred..
please help me to fix that fault..
thanks

GPS is not working ???

I have HTC Desire 816 dual sim and I have root it successfully and used filemount also successfully, but I am tying to use the GPS but it cannot get any satellite signals ???
Can any one confirm that the HTC Desire 816 dual sim can work with GPS with Google maps or Sygic or any other maps program ???
is there some settings (other than opening the GPS) to make it works ???
I am HTC dual SIM mobile. Tried Chinese and uae and Indian Roms and I can confirm that it is working on all three Roms.
However, I know that single SIM users having the GPS issue, when they install the dual SIM backup in their Roms. It is certainly not the case for you.
Sent from my HTC D816w using XDA Free mobile app

[Q] Dual Sim call waiting in HTC Desire 820

Hi All
How to enable dual sim call waiting in HTC Desire 820 ???
can any one help ?? When I'm speaking on SIM1 and if I get a call on SIM2. I'm not getting calls how to set call waiting for SIM2?
Hi All
How to enable dual sim call waiting in HTC Desire 820 ???
can any one help ?? When I'm speaking on SIM1 and if I get a call on SIM2. I'm not getting calls how to set call waiting for SIM2?

[Q] HTC Desire 820 : strange 3G problem..

Hi all;
Im from Istanbul TR.
Im a returning HTC customer my previous phones were wildfire, sensation, desire C, desire 816.
I recently bought an HTC desire 820. Great phone otherwise but a strange 3G problem occurs . 3G vanishes, looking like the phone has no 3G and its just a 2G machine.
This is a single SIM model. Everything was alright when first opened or after a factory reset (Ive done a couple of factory resets ).
At the beginning I can make phone calls and I can connect to the internet when "wcdma only" active . But next day 3G gets lost. I can not make calls or internet connection (phone in the coverage area of course) when "wcdma only"
HTC support says my operator (Turkcell) has a dual carriage -so called- TURBO internet, if I could switch it off , problem could be solved. I applied to the operator to switch the dual carriage turbo internet off , they did, and suddenly 3G restored. But one day later its the same...3g get lost again.
Phne runs on 4.4.4 ; I noticed that there is 27 HTC and google updates on the play store like HTC servise pack, kid mode, screen lock etc, . I wonder whether one of these updates could switces the 3G off.
Any idea what this could be and how it could be solved.
Thanks in advance
PS: Sorry for the incapable English

Call problem with Cyanogenmod 12

I have HTC 816 Dual SIM indian Variant and i have flashed the CM12 Dated :2015-04-26 11:35:05
I am having 2 specific problems and they are :
1. Audio from the speakers are cracking when a song is being played on full or 90% volume..
2. Whenever i put one sim on 2g and one sim on 3g, calls are possible from the 3g sim only. From the 2g sim if i try to call or receive a call neither the speaker works nor the Mic. Even if i reverse the 3g/2g mode the 2g doesnt seem to work.
If you have a solution please help me out! Thank you..
rohanviolin said:
I have HTC 816 Dual SIM indian Variant and i have flashed the CM12 Dated :2015-04-26 11:35:05
I am having 2 specific problems and they are :
1. Audio from the speakers are cracking when a song is being played on full or 90% volume..
2. Whenever i put one sim on 2g and one sim on 3g, calls are possible from the 3g sim only. From the 2g sim if i try to call or receive a call neither the speaker works nor the Mic. Even if i reverse the 3g/2g mode the 2g doesnt seem to work.
If you have a solution please help me out! Thank you..
Click to expand...
Click to collapse
Got any working solution for this? i'm also facing the same issue?
voice call problem after installing cynogenmod in desire 816 dual indian version
iamrafic said:
Got any working solution for this? i'm also facing the same issue?
Click to expand...
Click to collapse
after installing cm12 custom rom on htc desire 816 dual sim 1st sim working fine but when calling from second sim no sound when i received or call anyone plse help me how to resolved
Same Issue Here...
The call audio works only when i set it to LTE but the other sim (3g activated) goes back to 2g
Is there a way to get LTE on both sims active.
+ audio problem wasnt fixed with Viper4Android ... need beats audio only drivers and files for it... where can i find it?

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