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Windows Central Question I bought lumia 640 xl on windows 8.1 update 2 , i want to use upgrade advisor to get windows 10, is it good or bad ? and what are the issues i might face ??! & I need to know, will it be slow ? should i got for it now, or wait ??
You can use it since that is the official way of getting windows 10 mobile. You have a choice of getting it now or next week. If you get it now, you'll have to do another major update next week. So if you do it next week, you'll get the latest update
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