Lenovo VIBE Z2 Pro problems with hearing and camera after updating to android Lolipop

Hello All,
After updating to Android Lolipop three days ago, on my phone occured some problems. 
1. The hearing while calling/receiving a call is very low, when the volume is on max. It was extremly high on max volume before the update. 
2. Now when I'm using the camera most of the pictures are captured with low quality and not well focused. Around one out of four pictures comes out with good quality and well focused. But I reviewed the settings and tried do switch them all the ways around but the problem still occurs. 
Any help will be appreciated! Hopefully the next update will fix these issues.
Regards,
Sava

gvdkolk wrote:
Hello Guru,
One question:
Since I went to VIBEU_V2.0_1448_ST_K920_CMCC my phone is not connacting to the 3g network.
Just edge. I refreshed apn restart the phone, no result.
Is this a result of the update?
Thanks in advance,
Ger
Hi Ger
The Chinese K920 version is meant to be sold and used only in China with a certain local carrier/provider(That's why it's got the ''China Mobile'' logo on the back).The main difference between the Chinese and the international K920 version is the GSM receiver(hardware difference)....
.....It seams there is a partial workaround(To make the Chinese version more ''internationally 3G/4G friendly'') but my experience with the Chinese K920 is limited and in this case it would be better to ask the actual users->
Check out THIS THREAD .
I can't help you much on this one....Sorry.
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