[Q] MOTO G Verizon Unable to save Manual Apn Please help to fix 3g and EVDO working topic

I have Moto G Verizon which supports following networks in Network Mode:
Global
LTE/CDMA
CDMA Only
GSM/UMTS

My Model Detail :
Moto G
Android Version : 4.4.4
Basenband Vers: MSM8626BP_1032.390.81.01P,VZW_CUST
System Version :
210.12.41.falcon_cdma.verizon.en.US vzw
Build No- KXB21.14-L1.41

My Problems are:

Its does not show any GSM Sim card Networks.
It show CDMA Network but I unable to run EVDO Data as it does not support Manual Apn configuration .How to save maual apn on this to run cdma data.

Please help in running CDMA/GSM with data.
I think Kitkat is the problem if it is so then is there any method to downgrade it to 4.3 JellyBean.:laugh::good: