User guide and FAQs
Documents and files
- Will Windows 10 update be available for my Lumia phone?
- Why am I seeing a critical or important update notification on my Lumia phone?
- How to open the back cover on my Lumia 520, 520T, 521, 525, or 526?
- Where can I get support for the HERE apps?
- How can I stop my Lumia from regularly reboot every couple of hours?
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