I can't get the 4G coverage with Digi.
Currently using YES Altitude.
Dual Sim card with YES sim card.

Any reason for this issue?

I'm using DiGI prepaid best 2017 now. Under InternetPlus plan RM30 I get

a) 150 min DG-DG
b) 150 min DG-Others
c) 3GB highspeed 4G+ data
d) daily 500 MB sosial (fb/insta/twitter)
e) daily 1 GB highspeed 4G+ internet (12am-8am)
f) IDD 100 min Indonesia,China

total data
48 GB combined per month 
some more topup RM 100 can be as low as RM 70++ if you buy topup in lazada+voucher code with 120 days validity. topup also no GST

really satisfied 

Thanks for the clarification and looks like our assumption is correct. However, RM 5 for 3GB/7 days is very worth and I remember you mentioned it's stackable if re-subscribe again before validity ends. If know how to monitor, one can get 12GB for RM 20/28 days. That's a super good deal already. I'm not letting go my Ambassador Zero plan no matter how. My only regret is I didn't manage to convert my spare line to Ambassador Zero and now still on Digi Prepaid. Well, at least I get to extend validity for 1 day for RM 1 and do it every 70-75 days to keep the number.

at first thinking to upgrade and get device together, after bought B618, i think i'll just stick with amb70..haha.

but if you need more qouta on data, upgrade then.

no need new nomination

So need to go Digi center and just ask to upgrade, or is it possible to do the upgrade online through their website / apps?

I dont know why, but lately my data keep on habis awal. Last month i check on first day of new cycle used 9GB already, I was like wtf. Don't even know for sure what was using the data, but I suspect it was the new facebook autoplaying stream suggestion in the browser. Probably gonna get the upgrade as RM5 for extra 10gb all usage internet is pretty damn worth it. I don't think I've ever used all of my streaming data before, always got like 15gb+ at the end of the cycle.

My BB70 cycle date is 16th, hopefully the additional 10GB (previously under demand) will be added back as BaseData as Digi promised. 

Currently only 40GB + 50GB.

when is your cycle date : 8th of the month?

Thanks, meaning digi havent upgrade or no plan to upgrade amb38.

because there's better plan for digi 38, but only for prepaid digi user

https://new.digi.com.my/promotion/PretoPost_38

Same, 60 + 40gb. but under ambassador you only need to pay 75.

No contract unless u take device.

https://new.digi.com.my/broadband-devices#MobiFi

yes bb70 50+50