Increase JIO 4G Speed in YU Yureka: Set to LTE Band 40 only

I am going to tell you how to increase speed of your 4g connection by switching only to LTE Band 40 on your Yu Yureka.. !

TRY AT YOUR OWN RISK ! IF ANYTHING BAD HAPPENS TO YOU MOBILE, I WON'T BE RESPONSIBLE !

Prerequisites-

• Yu Yureka with unlocked bootloader
• Rooted ROM
• USB Drivers in PC
• USB debugging ON in developer options

Procedure-

1. Download LTE unlock files from here https://drive.google.com/file/d/0B--e9LBj22IPeGlNY0tpVnNqQkk/view
2. Extract the zip file and install QPST and QXDM.
3. Now open adb folder and press SHIFT+RIGHT CLICK and select open command window here.
4. Connect your phone to PC.
5. Open command window and type the following commands one by one.
6. Give root access in your phone and some connection pop ups will also appear in phone click OK to all and give root access
   adb shellsusetprop sys.usb.config diag,adb
7. Now download this file and extract it
   https://drive.google.com/file/d/0B2FV5-Ceq50eVklyRFpxNWwzblU/edit
8. Now open device manager. You will find other devices and expand it. Now find your device.
9. Then right click on it and select update driver and select browse from my computer,let me pick from a list of drivers from my computer and select show all drivers and click on have disk and browse to extracted OPO SPECIFIC folder and open opo diagnostic driver folder and select the relevant version for your PC and open that and select .inf file and click open
10. Accept any warnings that may pop up and install the driver.
11. Now open device manager and under modem u will find HTC USB modem, right click on that and select properties and go to modem tab and you will find port number on the top left corner as COM<number>. write down that port number
12. Now open QPST configuration and goto port tab and select add new port. In there u will see port and port label. At the port field type the port u wrote down previously and give port label as u want and press OK. Minimize the application.
13. Now open QXDM professional and goto options tab and select communications and under the target port u will see the port that which u wrote down previously select that and press Ok
14. Now,under view tab select NV browser and you will see category filter under that select LTE
15. Now,Select first one LTE_BC_CONFIG. After selecting that u will see two values under the fields. select first one and click read
16. There u will see the number under Input.. note down that (IMPORTANT)
17. Now double click the number under input and change it to 549755813888, it is the value of band 40 and click right. that's it disconnect ur phone and Reboot it.
18. Enjoy the 4G speed in Band 40 in your YU Yureka.

If u want to change to normal band then follow all the steps and change the value to the previous one that you have backed up in one of the steps.

You can use this app for LTE BAND values..

https://play.google.com/store/apps/details?id=tw.rmstudio.mt.android.ltebandcalculator