So I’m presently working on a review for the THL W6, a 5’3 inch Android ICS gadget from the stables of Technology Happy Life, China (Mainland) and one of the issues I ran into was the excruciatingly low volumes experienced when receiving calls even in Loudspeaker mode. At a point I felt like one of those ratchet people that literally scream when answering their calls.
Considering that the phone isn’t rooted and the most popular volume boost app for Android (Volume +) is only guaranteed to work on Android Gingerbread devices, I decided to look for alternative means for non rooted phones and thus stumbled on something called Android Engineer Mode.
In Engineering mode, you can access hidden menus which affect the way your battery, audio, touchscreen and etc work.
BEFORE YOU PROCEED DO PLEASE TAKE NOTE OF THE FOLLOWING
- The wrong configuration could make your device go crazy so tread with caution
- As far as I know, this works with phones and tablets that run the virtually unadulterated version of the Android OS such as the THL W6 and Pliris Blaze + amongst others.
- I only tested this on Android ICS 4.0.3 and Android ICS 4.0.4.
PROCEDURE TO INCREASE INCOMING CALL VOLUME
Dial *#*#3646633#*#* to bring up the Engineer Mode menu
Go to Audio and click on Speech Enhancement
Under Speech Enhancement set the first field to Normal Mode, the second to Parameter 7 and under value set a number between 96 and 128 and then hit Set
You will get a notification as shown below. Reboot your device and test to see if your problem has been solved.
For those experiencing low Ringtone volumes, try the following
Go to Audio and click on LoudSpeaker Mode
Under LoudSpeaker Mode leave the first field as it is then select Ring under Type, leave at Level 0 and then set Value is to 255, hit set and Max Vol. to 160, hit set
Reboot your device and see if problem has been solved.
Do please make sure to reduce the speaker volume on your device after this hack so as not to blow your phone’s speaker.
That’s all folks. Enjoy and do please leave a comment if it works for you or not and if it doesn’t keep Googling till you find a fix. 
Credits: ZopoMobileShop and Technology Happy Life
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I got it sorted I downloaded a wireless update last week that crashed which must have affected the ring time when I received calls . I re-ran this update fully last night and it seems to fixed the problem. Many thank for youy reply I appreciate it Brendan
Awesome 😊
Hi i have an Oukitel Pro 6000 for apprx 6 months. All of a sudden my ringtones don’t work , all other notifications do. I must have inadvertantly changed a setting but cannot see where the problem is. Any idea what may be wrong. Thanks in Advance. Brendan
@Brendan Do you mean that your phone doesn’t ring when you get calls? Have you tried increasing the volume on the device? When you press the volume button, a pop up will appear to enable you adjust the volume. Beside that popup is a small downward arrow which allows you to modify the individual volumes for ringtones, alarms and multimedia
Great work bro! I tried the following steps and it worked on my phone. Tnx a million!
@Alfa thanks for the feedback. You’re welcome. Please may I know what phone you tried these steps on? Thanks 😉
SIR, THANKS FOR YOUR BLOG. I AM HAVING LENOVO-P70 MOBILE, AND ITS CALL SPEAKER VOLUME IS VERY LOW. ANDROID VERSION IS 4.4.4. KINDLY ADVISE IF I CAN INCREASE THE CALL SPEAKER VOLUME AS MENTIONED BY YOU .
@Jaison: I’m not sure if it will work on the P70. You would have to test and see. Just make sure to record the default setting values so if anything goes wrong you can revert it.
Thanks it works fine with me Android 5.1
@Mohamed: You’re welcome. Thanks for the feedback :D
Great assistance, Thanks
would you know what parameter will change Bluetooth mic level?
my Bluetooth mic level is very Low
Thanks
Hezi
@Hezi you’re welcome. Unfortunately i don’t now what parameters to tweak to get the bluetooth mic level up
sir i bought Lenovo A706. it has 4.1 jellybean OS. i facing low call volume. i dnt to know what is rooted phone and how to solve this with your tips on my mobile
@Ravindran check play store for this app *MTK Engineering Mode Start* When you install it, go to MTK Settings >>>> Hardware Testing >>> Audio. From there follow the guide in this post
Hi. Thanks for this good information. I need to ask something: I need to increase de call signal in my phone, I have a S3PRO model. I allready root the phone, but I don’t where can I do this of increasing signal call. Hope you can help. Thanks a lot.
@Camilo sorry I don’t really know how to fix the signal issue
Dear Chukwudi Emmanuel Udegbunam,
Thank you very much for your article.
Actually I am very much impressed and benefited from your article. It really working on my phone.
I own a “Lenovo P770” smartphone. I had rooted my with custom ROM. I very much dissatisfied with its call volume.
I had googled on so many blogs regarding my problem. no where I found this information.
Thanks a Lot my friend.
Could you please tell where can I get the Engineering mode “complete Manual” ..??
Also can I increase the mic sensitivity as well..??
Regards,
Bhanu
Bangalore, India
@Bhanu: You’re welcome. I’ve also searched for a manua of sorts on the whole Enginnering mode and haven’t found any yet. If I do find, I’ll be sure to let you know man
hello
i have thl w8
when i call via bluetooth the outgoing cal very distorted
but when i recive call it sound good
what should i do?
thanks!!
@Yehuda I have no idea how to go about that asked I’ve never used a bluetooth headset with the THL W6. Have you checked the support section of their official website?
Hii..Will this work for increasing in call volume? I am using jelly bean 4.2.1 and is not a rooted phone.
@Vishal: I’m not sure is it will work for non rooted JellyBean devices but you could try
the problem with my phone is low call volume. this didnt work for my phone. i was wondering if i set the number to 200 instead of 128, what do you suggest?
thanks
You could try that and see what happens but be careful not to blow your speakers
It worked wel on my chinese phone.
Do you also know how to increase or decrease microphone volume?
@Rob: you’re welcome sir. You could check this article for increasing the microphone volume: http://www.zopomobileshop.com/zopo-rom/how-to-increase-zopo-mobile-phone-mic-loudspeaker-and-ringtone-volume/
Do please lemme know if it works for you or not.
Thanks dude.. Worling well in my android 4.0.4.. Keep sharing.
Thanks for the feedback man ;)