With iMRSone 2.0 tablet, user can now replace Omnium1 battery on their own. This article shows how this is to be done correctly.
There are times when the Omnium1 2.0 tablet hang or cannot startup, you may also try to unplug the battery from tablet, wait for 5-10 seconds before plugging it back. This will cut of the power supply to the frozen/hang tablet and may help in resetting the system (i.e. effecting performing a cold restart).
Remember, proper disposal of lithium-ion batteries is crucial for safety and environmental reasons. Never put these batteries in regular trash or recycling bins, as they can cause fires and contaminate the environment.