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[Q] Samsung Jack i616 - Can't Hear Calls - Callers can't hear me

I recently just got a Samsung Jack i616 and it had Windows Mobile 6.0 on it. I upgraded it with the official 6.1 upgrade from Rogers, and everything upgraded fine. But when I call someone, or someone calls me I can't hear them and they can't hear me. I know the phone worked before the upgrade, but now I'm not sure as to why it's doing this. I've tried restarting the phone, but nothing has worked. I haven't found anything on Google, so I thought I'd post it in the forum that I know has come up with so many miracles that made my HTC Touch Elf so enjoyable.
Any tips would be greatly appreciated.
**Update**
Fixed the problem by dialing *2767*3855#
This thread can be deleted

same problem
Hi
I am having the same problem. have you resolved the problem. I would like to see your solution as this is driving me up a wall.
Fibrolan
P.S. I am on the fido network

I have experienced this same issue. I bought a new i616 on the Fido network, upgraded to wm6.1, made a test phone call, and then removed the sim.
While the sim was removed I setup all the software I use (took about a week) and played around with the phone (GPS, etc) to be sure I understood it's capabilities. And then I put the sim card back in - exactly the same issue you have had - it makes and receives calls but there is no sound on any end.
I fixed this by doing a hard reset (with format) - immediately after the format, I tried a test call again and it worked (sound on both ends). I then proceeded to setup the phone again (this time with the sim card still in it) and at the end of installing all the software, the phone still worked.
I have no idea why it stopped working in the first place.
The code you mention does a EEPROM reset which appears to be a carrier unlock on some phones - is your phone now carrier unlocked?
On a side note, the software/hardware on this i616 appears to be a complete train wreck - the GPS sometimes works, sometimes doesnt, sometimes the phone does not allow sound when making phone calls, the bluetooth doesnt connect to some of my devices that have never had any connection issues in the past, etc. These are pretty fundamental issues. I have had a couple of HTC WM phones for the past several years and I have never experienced anything like this with them - perhaps the Jack will grow on me but just setting it up has been a pretty poor experience.

Well, it happened again - no sound on either end during a phone call. I havent done anything since the last rebuild - eventually the sound stopped working.
A full reset with format fixes the problem but I think I have reached the limit - I am not going to rebuild it again because I have no idea when the phone stops working - I do not know what to do differently.
I am going to return this phone for something else - this phone has been remarkably bad (especially for a phone which gets great reviews).
Any ideas what is going on?

same issue
So far the only way to resolve this is the format... rogers says the phone is defective but considering the issue is more than just me I expect a replacement jack is not a guarantee that this issue will go away...

Hi,
I think I have found the culprit that is causing the problems. whe you do an unlock for application, the problem will start happening. not installing the unlock application the phone will work fine.
the only real benefit for the unlock application is getting the gps to work on com4. most applications will work without running unlock.
if anyone has way around this I am listening.
Fibrolan

fibrolan said:
Hi,
I think I have found the culprit that is causing the problems. whe you do an unlock for application, the problem will start happening. not installing the unlock application the phone will work fine.
the only real benefit for the unlock application is getting the gps to work on com4. most applications will work without running unlock.
if anyone has way around this I am listening.
Fibrolan
Click to expand...
Click to collapse
What unlock application are you talking about? Since I fixed the problem myself, I've only had the problem once, which was probably from trying to install a bunch of applications to my phone(which I fixed just by restarting the phone).
The * code that I posted was from the BlackJack II Rogers 6.1 Instructions

I believe he is talking about the application unlock. There are two things I put on my phone that require it - the GPSID thing (connect the GPS to a COM port), and WM5torage (phone looks like a USB drive).
I will format, and will not apply the unlock, and see what happens.
Thanks.

So I've been running into this problem more and more often now. It's seemingly random as to what triggers it. I've tried pulling the battery..turning it on and off..nothing seems to work. I don't really want to do a full format because I don't want to lose all my stuff on there.
I've also found out even with a bluetooth headset, I can't hear anything..I also can't hear anything if I plug in the headset that comes with the phone.
Hopefully we can find out a solution as to why it does this.

Ah so I am not alone.
My fido jack on 6.1 that is also application unlocked (Some of my apps do require this to be done, one way or another..) is doing the same thing. Sometimes I just have to reboot a few times in a row and it comes back, but as of this morhning I've done it 3-4 times and still no sound.

I have given up. I have decided not to app unlock the phone - it is the only way to guarantee the phone still functions as a phone and I have tried many, many things to get it to work. This definitely limits the capabilities of this phone.
This phone is a disaster - the GPS does not connect through a com port like almost every other GPS device on the market, not all of my bluetooth devices work with the phone, and if you app unlock it, it stops working as a phone.
I like the scroll wheel though.

any progress on this?
i have same issue:
-i616 (fido/roger jack)
-want to get GPS working
-but app unlocker will break sound (no sound during calls) on WM6.1
i think the unlockers are only for i617 blackjack2, but not for the canadian version...
any ideas???

I am still trying to figure out the root cause of this problem. Yesterday it happened again to me so I pulled out the battery, removed the sim card, and then reinstalled everything and it worked - no hard reset required. It hasnt happened since so I havent tried the sim card removal again, so it could just be a fluke.
But, if it does turn out to be sim card related, is it possible we are using older version sim cards? The phone came with a new one but I just stuck to using my older one. What abaout everyone else - new or old sim card?
Thanks.

I also have the samsung jack (fido) i616 and also cannot hear the calls on both ends on occasions...even prior to app unlocking so it may not be the app unlock that is causing the issue.
I would turn off and on the phone and it would work again.
Is there a permanent solution to resolve this?
Thanks in advance

Samsung Jack i616 - Can't Hear Calls - Callers can't hear me
I was scanning the xda-developer site as I have both a TytN II and a BJII and thought do I bother telling my story or not - I figured if I can save someone else the hassle, the Major headaches, the time and the Expense it is worth it. So hear goes, get a coffee and put your feet up as this is a long story. If you just wanna know the outcome and solution skip to the end..otherwise just settling in for the story.
Like many of you I bought an BJII from a well known Chinese Mall(PM) and at the same time got it unlocked. I got the phone home and immediately upgraded it to the Fido WM6.1 official rom as I had been using 6.1 on my Tytn II forever without any major headaches. This was my first mistake. (actually my 2nd the first was buying the dam phone in the first place). Right after the upgrade, after making a call, the caller could not hear me and I could not hear them. Only a Hard reset(HR) fixed the problem. After the reset, I then proceed to install some smartphone apps, (sda application unlock, MoDaco smartphoneGpsActivator, MS smartphone GPSID, Garmin Mobile XT etc) after installing my seventh app I decided to make another test call. I encountered the same problem, so I set about uninstalling one app at a time to see which one was the culprit. This did not work and only a HR would fix the problem. This nonsense installing, hard reseting went on for about a week.
Frustrated I took the BJII back to PM, but the dude did not want to give me my money back - he claimed because I had upgraded to 6.1 any software upgrades regardless of whether it was an official rom or not was not covered under warranty. At this point I was not sure whether I was facing a software issue or a hardware issue. Anyway, I took the phone home, and this nonsense with the phone and calls went on for weeks. The last straw for me was being in the mall with my wife and she's calling me and I did not hear the phone ring. Was she mad or what? So to prove I was not dodging her and eying up the babes I got her to call me while I had the phone in my hand and sure enough the phone was ringing, but there was no sound. We did this 4 times- I switched the phone on & off each time - so another HR - problem goes away.
I am Hugely frustrated by this point , however, I set about reinstalling my apps - as a side note one of the apps that I wanted to install was SPB backup 2 - BJII didn't like it so I could not use it hence having to reinstall each app everytime 1 by 1 after a HR. Anyway, this demon possessed phone would at least 3 times a week need to be HR. I was so frustrated that I decided to try the At&t rom,(Mistake #2) it crashed in the middle of the upgrade and bricked the phone. It would not turn on period. Now before you start, I am not a newbie, I have been messing around with windows smartphones and pocketpc for years - in fact my first pocketpc was a compact and it was grey scale, my first ever pda was a Psion, so I know how to flash phones, and cook my own roms.
Anyway, I took it back to PM and the dude wanted to charge me $150 bucks to fix it. I walked out the shop and tried another vendor he said that he would reflash it for $50. He had the BJII for 3 days and in the end could not fix it.
I took the BJII back to the original guy, I tell you I am a pacifist but I am ready to kill at this point and we almost get into a fight as I was wholly convinced at this point that it was a hardware issue. He refused to send it back to Samsung as he reckoned they would charge me an arm and a leg to fix it as they would know straight away that this was a software flash that went wrong. In the end he said that he could fix it for $80 bucks- given that I wanted this phone and I wanted it working(it is great for messaging) I said fine. Yes he did get it working, but had to install a new logic board(motherboard). Thankfully he also installed WM6.0. I decided to leave well alone this time and just install my apps. I have had the phone back for 2 weeks now and have been using it everyday and have had none of those call or sound issues.
I suspect that there is a serious problem with the 6.1 upgrade and it has nothing to do with application unlocking the phone or any other 3rd party software. No presenting any keys in any combination is going to magically fixed this call issue - so please don't be fooled. My advice if you want it, is to Not upgrade to 6.1 at all. WM 6.1 offers some nice features, but not enough to go through this amount of headache, frustration and money.
Anyway peeps Happy New Year.
And avoid WM6.1.
Smartb

Smartb - I liked the story despite the fact that I cried more than I laughed. Seriously, I couldn't agree more with you. Indeed this 6.1 upgrade is the cause of our pain. I've spent hours doing the same thing you have less the ROM installs.. Mine came with the Rogers 6.1 ROM installed.
I'm at a loss for what to do. My latest venture is to compare registry settings with a HR image and after installing a software that breaks the phone. The software I tested with that always broke the phone was SPB Wireless Monitor..
I could ALMOST live with the issue if SPB Backup worked. But of course, it breaks the phone too!
So far, I've successfully gotten these softwares installed without the phone breaking:
- MS GPSID
- TCPMP + FLV Plugin
- Activesync with Exchange
- Garmin Mobile XT
- Facade 1.4.0
- CHome Configurator
These break the phone:
- SPB Backup
- SPB Wireless Monitor
- SDA Unlock
Any ideas how I could downgrade to WM 6.0? My phone came pre-installed with WM6.1

Dave, I don't think you can because there is no 6.0 rom floating about out there believe me I tried. I spent hours looking for one and couldn't find any. There were other roms for the 607, but I wouldn't risk using those. Sorry Mate.
Smartb.

Rogers is sending me the 6th refurbished Samsung Jack
I am having the same audio problem described here. Hard reset, which is every "tech support agent's" answer to everything, is NOT NECESSARY.
I have popped the battery out and stuck it back in and this has worked, other times it has not.
I have turned the phone off and on again and this has worked, other times it has not.
Rogers is sending me the 6TH REPLACEMENT Refurbished phone I have received, I may ask them to start sending 2 at a time, just to be sure.
They won't allow a hardware switch, they will only replace the phone with the same phone. They will try to get me to take a hardware upgrade though for like $200.00 and make me agree to 3 more years.
I am only hoping that the next refurbished one I receive will have this 6.1 bug fixed.

Here's my take on this...
Had this problem from pretty much day 1 with the i616 from Fido, it would occur randomly and intermittently (I could go 3 weeks without experiencing it). But about 2-3 weeks ago, it seemed to be stuck like this, switched to my nokia phone, called fido and they sent a replacement. In the meatime looked for something to backup the current phone to transfer everything to the replacement. That ended up being sprite backup.
Got new phone, made some calls it worked fine. Backed up old phone with sprite and restored to new phone. New phone now has same problem. Start uninstalling, no joy, eventually wipe clean, try restoring again, same problem, wipe clean, install a few of my apps, works fine for a few days, then same problem. Uninstall all 3rd party apps except SK Tools Standard, audio works again.
Wipe device install only a few apps, working fine, this morning I install sprite backup and audio goes away, uninstall sprite audio comes back...
Next send message to sprite support as follows, we'll see what they have to say, next step would be to backup, then wipe and only install sprite and see if problem reoccurs or whether it's an interaction with one of the apps below.
Samung Jack SGH-i616 (aka BlackJack II) running windows mobile standard 6.1, call audio stops after installing sprite 6.5.4.8. This consistently happens when installed and problem goes away once uninstalled.
It's a manifestation of this problem
http://forum.xda-developers.com/showthread.php?t=439620
The following other software is installed on the device.
Webis Flexmail 4.1 beta (bulld 3317)
Webis Pocket Informant 8.52 beta (build 2339)
(note problem occurs with non beta versions of both apps)
Sk Tools Standard 3.3.3.1
Synthesis SyncML Pro 3.0.2.22
Total Commandder/CE 2.51
The rest are the standard apps that ship with the device in rom.

Unicornasaurus said:
I recently just got a Samsung Jack i616 and it had Windows Mobile 6.0 on it. I upgraded it with the official 6.1 upgrade from Rogers, and everything upgraded fine. But when I call someone, or someone calls me I can't hear them and they can't hear me. I know the phone worked before the upgrade, but now I'm not sure as to why it's doing this. I've tried restarting the phone, but nothing has worked. I haven't found anything on Google, so I thought I'd post it in the forum that I know has come up with so many miracles that made my HTC Touch Elf so enjoyable.
Any tips would be greatly appreciated.
**Update**
Fixed the problem by dialing *2767*3855#
This thread can be deleted
Click to expand...
Click to collapse
I didn't use my brain before typing this code. This code effectively hard reset my phone!!! no warnings or anything.

fuze video pop up issue

been flashing roms for a while now and everything was great until recently. i have this annoying video pop up problem that i cant seem to figure out if its the phone or what. what happens is randomly the tv/video out pops up and the screen turns to landscape mode. then all sound is lost. ive flashed original stock rom but the problem still happens even running stock. i cant figure out if its the phone and i need to do a warrenty exchange or if its something else. i am hard spld and security unlocked. if anybody else has this problem or had this problem and know of a solution id greatly appreciate it. i dont think its the way i flash roms. i flash with sd card thats formatted fat 32. sim card out and hard reset after first boot.

Sounds like you are describing the TVOUTPopup feature.
Usually, the TVOUTPopup only appears when the A/V Cable (extra cable) is physically connected to the device.
At first guess, I would be inclined towards a faulty USB connector.

yes it is the tv out pop feature. whats wierd is that its the new look from a different rom build. whatever rom i run (right now stock). when the screen comes up it turns landscape and has 4 colorful icons to choose from. internet,youtube,photos,and powerpoint office. once i hit the x button or hit close then it will keep repeating and keep the screen in landscape even though i havent slid out the keyboard. after multiple times closing the app it will stop doing it for a bit but then do it again few hours later.

Since you've tried different ROMs and are seeing the same behavior, I'm inclined to think it's hardware related. Assuming you have nothing connected to the device at the moment except for the SIM, examine the USB connector very closely for signs of damage.
If all looks ok, perform a hard reset and flash the Official HTC 5.05.405.1 ROM/Radio (should eliminate possibility of garbage in ROM) to the device and confirm that the behavior still occurs. If the problem persists, that would confirm it to be hardware.
HTH,

well i flashed the new att fuze rom. so far so good. no popup yet. this happened before though when i thought i fixed the problem. but after running a new rom for about 4 days it came back. if it is a hardware issue then my fuze needs to be exchanged right? thanks for all your help.

I have same issue with my FUZE (constant "Video Out" pop-up message, often switches to landscape mode, sound is off). Have you found any solution to this?
P.S. ...

NoDo Keyboard issues...?

I know this is very long to read but it's a very frustrating problem, hoping someone out there would be willing to help. I've searched a lot on it and haven't been able to find anything similar.
This is my original thread that's since been archived: http://forum.xda-developers.com/archive/index.php/t-1043323.html
I am using a Samsung Focus on AT&T, with the latest NoDo build (7390). The update went fine with no problems but the keyboard is slow to respond now. It seems like if I'm typing faster than a certain speed, it can't keep up and the buttons don't flash and make the click sound with every press, like I've reached some kind of threshold. I've tried turning off/on all the settings for sound on press, auto-correct, etc., and none of it has worked. This includes applying "reset text suggestions" in the keyboard settings menu.
I tried to reset the phone completely via the About > Reset Phone option, but that didn't help. I've also tried to reformat with the Power+Vol Down+Camera button combo but that didn't fix it either. It's happened with and without a memory card in the phone. The phone has plenty of storage space available...more than 50%.
This happens in the Messaging application, any email account, marketplace search, Bing search, etc. Every place I can type, the problem occurs. I downloaded the Text Text Revolution game to test that and it does NOT have the problem. This is an increasingly frustrating problem to deal with. It makes me think I've made mistakes when I really haven't and is very distracting. It's obvious the phone isn't broken or anything since the keyboard does JUST FINE in Text Text Revolution.
I've managed to revert my phone back to 7004 and 7008, using the stock AT&T Focus ROMs available over in the Samsung threads here. Those builds DO NOT have the problem and the keyboard works great. It works fine whether the phone is locked (stock) or dev unlocked (ChevronWP7). The problem only occurs after I upgrade to NoDo. Has anyone else noticed this problem when moving to 7390, AT&T or any other carrier? From all the work I've done it seems to be directly related to AT&T's NoDo update but I haven't been able to confirm this with anyone else yet. It can't be a problem with the phone since it works fine on pre-NoDo. Anyone willing to try and help me out?

Keyboard lagging after LG update

I'm using an LG Quantum with Bell. All stock, with NoDo. And a few days ago the LG update that came through normally and updated through Zune without issue.
Now, however, my keyboard is lagging when I have "audio for key presses" enabled. I like the ticking sounds but now it slows down the keyboard. It will still register what you typed, but it won't show it graphically. Rather it shows every other one. Very very troublesome as I love this platform and don't want to see things like this.
When I silence the keyboard, it returns to normal speed. These are Windows Mobile problems... ugh...
It's possible the LG update has a bug in it? And hopefully LG will push a fix through?

No one?
hmm, maybe it's a fault with my specific device?

Restore your phone and do the update again.

I have a similar problem on my AT&T Focus. As far as I can tell, it's from the "AT&T Samsung Update." Restores don't fix it and it always comes back. Thanks, AT&T.

OTA update to Andriod 2.3.5 bug

Hi guys,
It seems that after receiving the new OTA update I ran into some issues.
My problem is that after installing the update my phone started to occasionally refuse to unlock the screen after pressing the power button.
If I connect the charger the screen unlocks but otherwise I have no option to unlock it.
I did a Factory restore (of course I lost every bit of apps I had installed - even tough I had the Backup settings activated-) and it seems that I'm seeing the same problem a few times a day.
Has anyone encountered this issue?
The phone is bought from Vodafone and original software installed.
Haven't rooted or S-off it.
Thanks

if ur phone is s-on and have same issue like s-off phones thats actually good news..seems that HTC messed up something...maybe is good advice for u to give phone to repair service if is s-on and see what thay can say about that.

I actually had that bug BEFORE the update, but not after. Instead of that, HTC Locations stopped working after the update and still is refusing to start even after factory resets and reinstall.
I have tried to contact HTC through their website to ask wheter something can be done about the issue, but the "Email Us" form doesn't seem to be sending anything after pressing submit and the "Chat with Us" form just shows blank white... I tried them on IE, FF and on my phone but they all show the same kind of behaviour.
It's really beginning to get irritating...

Clearly a software issue if it really happened after the OTA.
Wiping your Cache, Dalvik-cache partitions along with your Data (Factory Reset) should be able to refresh your phone as a "brand-new" one. That is if you can.
Stock recovery has an option to wipe Data and Cache.
If these still doesn't work, shove it to HTC's arses.,
Just kidding..
Send it for repair or maybe show it first to them.

some more bug.
-> live wallpaper sometime hang.

Starting yesterday I disabled the new feature "Trace keyboard" and since then the phone unlocked everytime.
Has anyone else kept this option activated and working ok?

2.3.5 OTA suxxxxs
Hi All,
I got OTA 2.3.5 Sense 3.0 on last Friday.
Since I have the screen problem = after a call sometimes I cannot unlock the screen with power button. If connect to the charger it's unlock and after the
power button works again. My phone is S-ON, fully original.
And I have 2 friends, they have Desire S and got this update too,
and after it the problem appear on their phones too.
So I think something wrong with new OTA update.
And I also notice the TTS Service, don't work too, it's always
halted.
(I made a factory reset and my friends too, but we have this problem too)
Any idea?
Everybody "got" this bug with OTA?
Bye,
Istvan from Hungary.

Wait for fix from HTC. They messed up something.
~Swaypovano sa Desire S BRE!~

I was finally able to get in touch with HTC regarding the Locations bug. The service agent said that he has never heard of such a problem before. His advice was that I should try the factory reset once more without the SIM card and without logging in to my Google account. I did that but the Locations still won't work. Only advice after this was to send my phone in for service... I'm really not happy with sending it in just to get an app (that was broken by their own update) to work again. I'm also pretty sure there was something wrong with the update to begin with considering all the new bugs being surfaced all the time.
This is really frustrating...
Would the people that have updated please tell wheter their Locations works perfectly? And if so, where are you from?

Bmw_m6 said:
Hi All,
I got OTA 2.3.5 Sense 3.0 on last Friday.
Since I have the screen problem = after a call sometimes I cannot unlock the screen with power button. If connect to the charger it's unlock and after the
power button works again. My phone is S-ON, fully original.
And I have 2 friends, they have Desire S and got this update too,
and after it the problem appear on their phones too.
So I think something wrong with new OTA update.
And I also notice the TTS Service, don't work too, it's always
halted.
(I made a factory reset and my friends too, but we have this problem too)
Any idea?
Everybody "got" this bug with OTA?
Bye,
Istvan from Hungary.
Click to expand...
Click to collapse
Try to disable the "Trace keyboard" feature. I did that and it seems that for the last ~18 hours I didn't encountered the unlock bug once.

Trace keyboard...
My "Trace keyboard" was off and the problem also present.
I tried to switch on, it hasn't any effect to the problem.
I hope the HTC will soon cede to this OTA full with bugs...
But as I known them, they not soo fast.....

Since the OTA update my Desire S crashes about once a day, and after it reboots it tells me it has recoverd from an error and asks me if i want to send the report to HTC. Seeing as how it reboots without any problems, and it works perfectly except the crash once a day, i suspect it has something to do with the flashing to 2.3.5.
Should i try a factory reset, or could there be another solution (seeing as how i really want to avoid a factory reset).
Oh and I have not rooted or S-OFF'ed my DS before the OTA update, so it's totally stock (as it has been since I got it)

I was able to fix the bug with Locations not starting up by changing my phone's language to English, then starting Locations, then changing the language back to Finnish again and voilá, it worked. One less problem for me.
I think that the Locations bug is limited to Nordic language versions (or even only to Finnish versions).

Hello
After update i have also the issue with the screen impossible to re-activate by power button after call is ended.
howto reproduce the issue: it happens only when screen is locked by security lock (PIN) and I receive a call. I pick up the call, screen is automatically turned off during call. After the call is finished, I'm unable to get the screen active again by pressing the power button!
Only working workaround is to attach phone to charger or connect to USB. Then the screen is activated and I can unlock it by PIN and working normally...
I need to have security lock enabled to be able to sync corporate email ( this is the security policy enforced by corporate Exchange server).
Ferro
Sent from my HTC Desire S using XDA App

This new OTA update looks more like a beta testing for many users still haven't got it and those who got it are complaining about bugs.
Some are affected by power button bug and others experience difficulties unlocking their phones.
What makes the situation even more strange is HTC not announcing the update.
Sent from my HTC Desire S

hamedunix said:
This new OTA update looks more like a beta testing for many users still haven't got it and those who got it are complaining about bugs.
Some are affected by power button bug and others experience difficulties unlocking their phones.
What makes the situation even more strange is HTC not announcing the update.
Click to expand...
Click to collapse
I'm sure you're right. HTC must have got a whole load of their people committed on new phones, others working on the recent security issues, so updates to our DS must be fairly low-priority. It smacks of the way that Microsoft beta-tested new OSes (perhaps still do) - Deploy many different public beta versions, don't bother actually reading the feedback but just simply measure how many complaints come in on each version. Finally, make official the version that got the fewest complaints.
I wouldn't be surprised if it goes quiet again for a week or so now.

The reply from HTC regarding the power bug:
Thank you very much for your cooperation and please be informed that we will get into this issue and we will try to determine what could cause these problems and what can be the solution. Please be patient with us because the investigation process itself it may take between 2 weeks and 4 weeks.
Have a nice day!
Disappointing

Hello,
After investigating further on my issue about "unable to resume screen by power button after call is finished" I described in my previous post I found it is most probably not related to OTA update but to HW problem...
I found my Proximity sensor is possibly dead. How the phone behaves (regarding screen on/off) during making or pick-up the phone is non standard. I also tried several android apps that are checking all sensors available on the phone and I see activity from all sensors except Proximity .
Talked also with HTC support... I'm going to sent my DS to HTC service center
Wish all getting the OTA update to enjoy it - I will certainly do so after I get my phone is repaired.
cheers
Ferro.

Pressing the power button during call or afterwards should light up the display.
At least that's what happened with the previous software version.
I'm still convinced HTC messed something in the update.

I have the exact same issue.
Has there been any work arounds how to fix this problem.
Mine's is on O2, never been rooted. Just stock.
If all fail looks like I will have to wipe phone and start again