Don't do it - this is a really bad idea. The KIN ONEm and TWOm are unique and capable feature phones. Flashing them back to.the original KIN OS makes them useless, because the back-end service around which they were built is now offline. The original versions can no longer access their required cloud applications
The KIN ONE and KIN TWO were the original Microsoft 4/2010 software releases. This used cloud-based storage for everything: contacts, music, photos. (Similar to the way the old Sidekick worked.)
The concept was that with cloud storage local memory capacity became irrelevant. The problem was that traded local storage for heavy data use, which made Verizon less than happy. Verizon insisted that he KINs be required to have the full $30 smartphone data plan. With those monthly prices, the KIN couldn't reach its target market of teenagers wanting an inexpensive phone that could handle heavy social media.
In one of the most embarrassing moves in wireless history, Microsoft pulled the KINs off the market a month and a half later.
Six months later, MS dumped the inventory by flashing a modified version of the KIN OS and adding the "m" to the moniker. The cloud features were gone, and a few more local phone built-in apps were added to compensate. At the end of 2010 the KIN cloud servers were shut down, which renderd them useless to all the people who bought the original version.
The OMEm and TWOm are still fine feature phones if you can live with the non-expandable memory. They are particularly good for some one who can do all their data connection via local wifi, thus avoiding any data charges.
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Samsung Focus 2 - primary phone
LG Optimus V - work phone
Nokia 700 - fun phone
Nokia Lumia 800 - sold
Nokia Lumia 900 - sold
HTC Radar - Selling
Samsung Galaxy S II - sold
HTC HD7 - sold
Nokia N8 - sold
HTC Sensation - sold
Droid Incredible - in drawer
Droid - sold
Nokia E1 - in drawer
Nokia N95 - broken
HTC Shadow - in drawer