If you have a Mediatek mobile phone (MT6589, MT6589T etc) and you feel that the GPS is not working well or sometimes it takes a to long to lock on to a satellite, maybe this quick fix can do the trick for you! I have already posted this how-to in Spanish on Gizchina.es but here it is again in English.
I have tested this fix on the JiaYu G4 Advanced that we received last weekend, it worked for me and hope you will have similar success with other MTK powered phones (it is supposed to work with all the Mediatek chipset), I wait your feedback
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”:
Now, we tap on EPO and check that “Enable EPO” is enabled and then press on “EPO IDLE”:
Once EPO DOWNLOADING back again to “EPO IDLE” we can press back and enter into YGPS: