Maurizio Troso
New member
My friend has Lumia 640 xl Dual SIM LTE , Unlocked on windows 8.1 update 1 , i want to know shall he jump in into the Production win 10 via upgrade advisor , or go insider ?? Knowing that it will be used as daily driver , and are there any crucial issues & Battery drain !
Upgrade advisor.
Later, he could always join the Insider community, if he would like testing something new before others.
Remember him he MUST wait for all core and 3rd party app updates to 10 vrsn, syncing and caching a couple of days, before getting a 100% full power phone