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138 Posts

08-05-2014

China

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Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 1:26 AM

issues are well received. 

We have assigned engineers to look into separate issues. We will update this chain on issues we have already addressed and target OTA. 

 

thx

Wang

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2 Posts

08-06-2014

China

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Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 2:34 AM
Hi Sanjaysoni, "Ok google", it is the GoogleSearch's feature. GoogleSearch is Google's official release app and we can do nothing about it. Please try to change the voice language to "English(US)"(google search-->settings-->voice).
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1 Posts

02-06-2014

Viet Nam

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  • Message 33 of 110

Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 2:58 AM

I cannot apply patch S221, phone downloaded but doesn't install. No notification provided

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7 Posts

08-02-2014

India

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  • Message 34 of 110

Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 4:39 AM

Updated all the two updates, phone is working fine and has some added features that's nice, feeling fresh but UI is totally glitch.. installed NOVA and now feeling @home.

 

Some issues which I think LENOVO needs to take care of immediately are -

 

1) Experiencing Some Lag after new update

2) Increased battery consumption - Battery drains noticeably faster than it used to

3) Consumes more RAM - previously around 400MB of RAM remained free even if all major apps were running now its mere 200-250 MB of free RAM

 

It would be great if LENOVO fixes above issues and also offers a new improved UI  so that we dont have to be dependent on 3rd party launchers.

 

-Nitin

 

 



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10 Posts

08-04-2014

India

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Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 5:08 AM

Thanks Wang..

 

Appriciate your reply, Please fix the voice calling and Battery draining issue on priority as both are killer for the phone.

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2 Posts

08-07-2014

china

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  • Message 36 of 110

Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 6:11 AM

hi, Sanjay,

     

       this is Bent of lenovo, now, I am focus on the voice-quality problem you mentioned.

     

       in your case, I suppose that the network quality is always good, ok?

 

       I have compared the jb and kk version, and they have the same behavior when calling。

       Then, I tried many times, and indeed, as you said, the voice quality will be very poor in certain cases.

 

        if user is a left handed man,  user will face this problem more frequently。

        Let me show you how this happens. 

 

        Background knowledge:

        dual-micphone noise suppression which use a mian mic to collect voice and a sub mic to collect noise。

        then use the main mic and sub mic sound data to do noise suppression. 

 

         P780 support dual-micphone noise suppression function。

         below shows the location of the 2 mic。

    phone.JPG

                    

                        Now,let me show you the different usecase:

                        1. Normal right handed user, mouth is very close to the main mic, main mic will reveive very strong                                    signal, the voice quality will be ok.

                         phone_ok.JPG

                               2. your case "when i hold my phone with my shoulder and neck leaning towards left side"

                                    the signal's strenth to main and sub mic will be very similar , and the sad truth is that noise                                          suppression algorithm will treat the signal as noise。

                                    phone_user.JPG

          3. left handed usr .

                phone_left.JPG

          so, let me summarize:

            

           dual-mic's benifit is to reduce noise in your environment。

           the defect is you have to keep your mouth close to main mic to have a better uplink voice quality.

           or, your voice may be supressed。

 

 

          Sanjay, i am very sorry that this problem confused you!

          you can keep your mouth close to main mic when calling and help to check if the problem is still there.

          Thank you.

 

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31 Posts

08-06-2014

malaysia

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  • Message 37 of 110

Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 6:42 AM

The LED indicate:

  • Before Android 4.42 With power supply plug in the LED Indicator is active Red, when the battery is full charge the LED indicator Off. (remark good)
  • Android 4.42 (Now) power supply plug in the LED Indicator is active Red, when the battery is full charge the LED indicator is still active Red. (remark very poor for status notification. By visual inspection cannot tell the phone battery is fully charge, only after activate and check on the battery status)

Suggestion Power/Charging Status Indicator:

  1. Can you go back to before Android 4.42 upgrade where every user is familiar with.
  2. If you still insist to indicate that there is external power supply to P780, then when battery under charging the LED active Red Flashing, when battery fully charge LED indicator is active Red.(my suggestion for your ref.)

 

Please get more practical experience people to work on it.

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38 Posts

04-18-2014

India

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Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 7:01 AM
Well very very funny though. Let me clear the clouds more:

I created this thread immeadtly after updates WHY ?

Because i was happy with what i had, no call problems ....everything
started after your update.

I have noticed that Lenovos security system is active and says anti-tapping
is active.....am not that techy ...but maybe this is creating a problem...

So, the i am using the phone was the way i have been using it. :)

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138 Posts

08-05-2014

China

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  • Message 39 of 110

Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 7:02 AM
@kgsiaw,

it is an issue, we will fix that as what you mentioned.

thx
Wang
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11 Posts

07-28-2014

India

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  • Message 40 of 110

Re: Lenovo P780 Kitkat 4.4.2 upgrade: Post problems and changes

2014-08-07, 7:09 AM
I think it an issue with how 4.4 handles 3g because whenever I use it the
earphone gets heated, this was not the case with jelly bean

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