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WP8.1 to W10M Upgrade
=====================All the updaters for WP8.1 to W10M Upgrading.
1. Microsoft OTC Updater
=====================Mega : LINK | W.U.T : LINK
Supported Models : Can be found in "#Readme" file in above Links
2. Semi-Offline Updater
=====================XDA Dev : LINK | YouTube : LINK
Supported Models : Can be found in above Links
3. Universal Updater
=====================GitHub : LINK | YouTube : LINK
Supported Models : Every Lumia Device
Additional Notes
=====================> WP8.1 OS Build must be at least 8.10.14219