[Q] Huawei Ascend G700 speaker problem after installing app from Google Play Store

Hi,

I purchased a Huawei Ascend G700 smartphone in August 2014.
(Great phone by the way)

I installed an app from Google Play Store called "Ultimate Volume Booster" (The forum currently prevents me from posting the play store link in the thread).

This app seems to have totally reduced the "speaker volume" and now I can barely hear anything from the speaker.

The headset volume is unchanged, but the speaker volume is greatly reduced to the point that I can hear 'whispers" when I hold the phone speaker near my ear on full volume!

(I have un-installed the app now.)

Solutions Tried:
============
1. Some forums spoke about using Mobile Uncle and I did so, but since my phone is unrooted, I could not change the 'Audio Values' in Engineering Mode using Mobile Uncle or any other MTK related Engineering Mode App from Google Play Store.

2. I re-installed the same app - "Ultimate Volume Booster" thinking maybe it would reset the changes it made , but this not work either

Can you please let me know how I can revert the process and bring back the speaker volume back to it's original state.

Note: I believe my phone is unrooted.

Warm Regards,
Ashes7

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