1. Windows Central Question's Avatar
    I have Lumia XL 640 device. The device has 1GB RAM. Mr problem is that the my phone take much time to open & resuming. Although my phone has latest updates installed like windows 10. please guide me.
    05-04-2016 10:37 PM
  2. RumoredNow's Avatar
    There is no RAM expansion slot.

    Make a backup and then go to Settings > System > About > Reset your phone. This will reflash the OS version held in recovery. It should smooth out your device. This is especially true if you just upgraded to W10M. You may restore your backup, or even better if you don't and you do setup by hand. This is like getting a clean install.

    If you need additional help or have more questions or details to share, please join the site so you can reply in this thread. See this link for instructions on how to join Windows Central.
    aximtreo likes this.
    05-04-2016 10:56 PM

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