1. morgan fields's Avatar
    I had a lumia 520 and tried it but it got bricked so im worried that this one will too.
    12-03-2015 06:39 PM
  2. xandros9's Avatar
    safe is relative.

    I am very confident there will be no brickery but things can always go wrong. but I'll bet my bottom dollar you won't see much problems beyond things like needing a hard reset or bad battery life. (which CAN happen, but this whole thing is YMMV.)
    MaryJane197 likes this.
    12-03-2015 07:03 PM
  3. rayf888's Avatar
    Hmmm maybe you should get familiar with the Windows Device Recovery Tool... Just in case...

    But on the bright side I have been running the insider preview on my 640XL since July and it ever brick my phone.... not yet...
    12-03-2015 08:02 PM
  4. TheMelonOfWater's Avatar
    I have had many, many issues with my Lumia 1020 after upgrading it to Windows 10 so I would not recommend upgrading any time soon.
    Some examples of issues I've had:
    start screen "teleports" after scrolling making it hard to open apps.
    project my screen no longer works
    apps take twice as long to load
    battery is allot worse
    Cortana crashes when I search for anything (voice or typing)
    Start screen tiles sometime don't load and are just invisible.
    The photos app is EXTREMELY bad. When you pinch to zoom, it will take about 20 seconds before it registers.
    Most of the new universal apps crash a lot except the office apps.

    I've used every version of Windows Phone since 7.5 and I would have to say that Windows 10 Mobile is the worst.
    12-03-2015 10:32 PM
  5. prasanna moholkar's Avatar
    Lumia 640 user please wait for few days ( may be 15 days) to release official windows 10 mobile update.
    12-03-2015 10:52 PM
  6. Per Bylund's Avatar
    I'm also eager to upgrade, but as it's my daily driver I hesitate before the "official" release. So I checked with T-Mobile's support re: the Lumia 640 with their branding. Here's what they said:

    "Normally we would get word in advance if an update is coming out. I just checked our database and don't see anything posted that Microsoft has contacted us. This means we haven't gotten confirmation that they are going to push it out to our phones. As far as support goes, we will always support the phone through our end but anything regarding software updates is purely manufacturer dependent. Once they let us know they want to push the update to the device we approve the update; the process does take a few months to do. *JustinS"

    If this is the case - that it takes "a few months" - then I'm definitely going for the upgrade via Windows Insider. But I'll give it another few days.
    12-09-2015 03:22 PM
  7. Maurizio Troso's Avatar
    I'm also eager to upgrade, but as it's my daily driver I hesitate before the "official" release. So I checked with T-Mobile's support re: the Lumia 640 with their branding. Here's what they said:

    "Normally we would get word in advance if an update is coming out. I just checked our database and don't see anything posted that Microsoft has contacted us. This means we haven't gotten confirmation that they are going to push it out to our phones. As far as support goes, we will always support the phone through our end but anything regarding software updates is purely manufacturer dependent. Once they let us know they want to push the update to the device we approve the update; the process does take a few months to do. *JustinS"

    If this is the case - that it takes "a few months" - then I'm definitely going for the upgrade via Windows Insider. But I'll give it another few days.
    Gabe said Windows 10 updates will bypass annoying carrier late. Don't ask them, they don't know nothing about softwares, systems, and apps.
    That's because in a lot of countries a loto of operator blocked last imporrtand updates in the past, like Denim itself. That's a shame.
    12-10-2015 02:21 AM
  8. ausidog's Avatar
    The 640 works exceptionally well with Widows 10 Mobile. Being the newest phone in the lineup as they were developing it, it almost feels like they put extra special attention on making it work well.

    That being said, the official release is supposed to be soon, so you may be better off waiting a couple of weeks just in case. Unless you have a carrier branded phone (i.e. AT&T Go phone), in which case the update could be delayed, possibly for a long time.
    anon(3463402) likes this.
    12-10-2015 09:56 AM
  9. anon(3463402)'s Avatar
    Yes, L640 is maybe the best device for W10M, excluding flagship models.
    12-10-2015 12:45 PM
  10. avengerxp's Avatar
    Lumia 640 LTE user here running build 10586.29. your good to go with this build as a daily driver. As soon as the phone finishes upgrade comes to the start screen goto settings-->about -->reset. and start from scratch. don't restore from backups.
    12-11-2015 02:25 AM
  11. skt_diaz's Avatar
    Lumia 640 LTE user here running build 10586.29. your good to go with this build as a daily driver. As soon as the phone finishes upgrade comes to the start screen goto settings-->about -->reset. and start from scratch. don't restore from backups.
    Do mean apps and settings that get backed up in wp8.1?
    I have a l640,thinking of trying out insider preview for the first time.
    12-11-2015 08:39 AM
  12. avengerxp's Avatar
    Yes. when you install and upgrade into windows 10 mobile, do the above hard reset. you will loose all your apps u installed (whatsapp, viber, games etc) then you will have a fresh phone, set it up and then when youre asked if you like to restore from a backup, say no. It's always better to start fresh with the new OS
    12-11-2015 12:04 PM
  13. jeffchapik's Avatar
    There are still a few quirks, but it's quite acceptable as a daily driver.

    Take the advice given above and do the hard reset after upgrading, then reinstall all your apps. You'll be glad you did. If you don't do it now, chances are you will do it eventually.
    12-11-2015 02:33 PM
  14. skt_diaz's Avatar
    Yes. when you install and upgrade into windows 10 mobile, do the above hard reset. you will loose all your apps u installed (whatsapp, viber, games etc) then you will have a fresh phone, set it up and then when youre asked if you like to restore from a backup, say no. It's always better to start fresh with the new OS
    Can i restore sms, music and photos from sd card?
    12-12-2015 01:01 AM
  15. avengerxp's Avatar
    sms - messaging must be backed up by going to sms and in settings. music and photos can be restored
    12-13-2015 12:46 AM
  16. skt_diaz's Avatar
    After joining insider preview and upgrade to w10m, suppose i leave the program. Then will i be able to directly download and install the ota update directly, when it becomes available, from the technical preview? Or do i have revert back to 8.1?
    12-15-2015 09:36 AM
  17. Majid Maju1's Avatar
    After joining insider preview and upgrade to w10m, suppose i leave the program. Then will i be able to directly download and install the ota update directly, when it becomes available, from the technical preview? Or do i have revert back to 8.1?
    You will get official update, don't worry about that
    12-15-2015 09:39 AM
  18. skt_diaz's Avatar
    You will get official update, don't worry about that
    I wanted know whether i can directly update to the official ota version from technical preview
    12-15-2015 09:55 AM
  19. satyamdalai's Avatar
    Waited about 6 months for the official update, a month or 2 hardly matters. I am so waiting for the official stable ota release.
    12-15-2015 10:12 AM
  20. xandros9's Avatar
    I wanted know whether i can directly update to the official ota version from technical preview
    you will probably get the official version before you realize it on Insider.
    12-15-2015 04:02 PM
  21. skt_diaz's Avatar
    joined insider preview just to see how many bugs the os actually has. lock screen does take some time to unlock and calender shows wrong birthdays on the live tile. does anyone else have the lockscreen issue?i did reset my device after the update, still there's lag in the lockscreen and some other areas.
    12-19-2015 01:18 AM

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