Help on bugs in 4.3 update

[NDiablo]

I bought an Xperia SP in September 2013 after saving money for 6 months. This is my 1st Android phone. I was eagerly awaiting the 4.3 update but I am sorely disappointed after updating my phone. I am facing the following problems - 

1. On deleting a message to delete, the checkbox remains behind the message.

2. The walkman has uneven volume. I have tried the suggestions from this forum of ClearAudio+ option and Bass control but nothing is helping. The quality of music playback is also not satisfactory.

3. The touch screen is unresponsive and behaves in an unpredictable manner while being charged.

4. The camera is unable to focus on very near objects. The quality is worse than what I had in 4.1.2 update. Actually I was quite happy with the quality of images in the 4.1.2 update.

5. Too much RAM consumption. I have installed Clean Master but it isn't helping.

6. In the saved contacts, the images associated with the contacts appear as very low quality and as a very small box.

7. On unlocking my phone, the screen flickers whilst coming out of sleep.

I also had the vanishing volume bar but it got resolved when I repaired my phone through Sony Companion. The above said problems are still persistent. I would greatly appreciate any help in these matters.

[Meid]

Repair with SUS or PC companion, after new installation, hard reset your phone, some problems goes out, onother problems will be there till new maintenance update

[Danial-mach1]

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@Meid wrote:
Repair with SUS or PC companion, after new installation, hard reset your phone, some problems goes out, onother problems will be there till new maintenance update

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first try factory reset if problem still persisit then as meid said do a software repair by SUS

but first backup your internall things if you want

[NDiablo]

I tried the mentioned solution... but I am sorry to say that the rpoblems are not solved. Sony has just released a new upadte for Walkman and the volume problem has been solved. But other than that all the mentioned problems are still present. Please help. I wish Sony would take note of the problems.

Still i must thank Mr. Meid & Mr. Danial-mach1 for taking the time to address my problems.

[Danial-mach1]

do you have antivirus or this kind of apps?

[NDiablo]

Yes i have installed AVG antivirus

[M16]

I think you should uninstall your anti-virus, you may check here

[Danial-mach1]

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@M16 wrote:

I think you should uninstall your anti-virus, you may check here

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dont use any kind of antivirus-battery saver-task killer or this kind of apps

they will harm your phone

[NDiablo]

I use Clean Master and AVG antivirus. Other than that, I don't ue anything. Sony has provided updates. The message checkbox problem has been resolved. But RAM and the volume issues are still unresolved. the Walkman volume issue doesn't appear when ClearAudio+ is activated. The Contact images are now appearing normal. the Camera as well as the touchscreen issues are yet to be resolved. In fact the touch screen issue has worsened while charging. it has become even more unpredictable and unresponsive while charging.