[ROM] ►▲◄iNew V3 1.0.8 rooted + Pre installed CWM ►▲◄

[danyno1]

here I saw an article before, i think it may helps:
try this and tell me if it worked for you or not

First of all we need to donwload the “Mobileuncle MTK Tools” from Play Store and switch off the GPS. After that, we can start with the how-to:

How to fix poor GPS on Mediatek phones

Open the app and press “Engineer Mode”:
[another site]

After that press “Engineer Mode (MTK)”:
[another site]

Once you are in the Engineer mode for MTK devices, you should go to “Location” and then to “Location Based Services”:
[another site]

Now, we tap on EPO and check that “Enable EPO” is enabled and then press on “EPO IDLE”:
[another site]

“EPO IDLE” will change to “EPO DOWNLOADING”, so you will need to wait few minutes to download a file, I suggest that use it with a wifi connection
[another site]

Once EPO DOWNLOADING back again to “EPO IDLE” we can press back and enter into YGPS:
[another site]

In the YGPS you will need to press on “Hot”, “Full” and “AGPS Restart”:
[another site]

Now that you are done test your GPS and you should find that it is faster and more precise!.