[Q] Frequency Bands

Is it possible to change Honor 6's frequency bands?
As I purchased the H6 via web, and in my country 4G band (850MHz) isn't supported.
Just to let you guys know, I checked related threats but none on this particular model. Thank you in advance.

Android 4.4.3 default minimum CPU frequency?

Good Day guys. Can someone check their T2 Ultra @4.4.3 if their default Minimum CPU frequency runs @300mHz if the device is not doing anything? Mine is @787MHz. Thank you.

How to Enable LTE Network Band 40 2300Mhz frequency In Xperia C6603?

Hello guys,
I'm using a Sony Xperia C6603 lollypop. Everything was ok , before Airtell Launches 4G in India. They uses 2300Mhz network frequency and after getting a 4G sim I did'nt get any 4G signal till now. :(
Only I got the H+ network. So would you guys please help me?? Is there any way to get the 4G or LTE signals in xperia C6603?

My Phone is not rooted
Model name: Sony Xperia C6603
Software version: 1269-5309_10.6.A.0.454 GENERIC-user

File system version: GLOBAL-LTE _10.6.A.0.454

Thanks in advance.