Sounds like incompatible RAM chips or not properly seated chips. Make sure you execute Command, Option, P, R. Perhaps you might get lucky.
No, it does not come with the glue, you have to buy Silicone based adhesive so the phone can remain waterproof.
If replacing of the adhesive is part of a larger job, where you had to replace the RAM for instance, please make sure that you can plug in the peripherals into the USB, Thunderbolt and the Ethernet. It’s late when you seal the iMac and discover that you can’t plug anything into the USB, because the logic-board has moved 1mm! Also verify that your iSight camera, speakers, wireless, IR and Bluetooth work before sealing.
Cut the lip off. You will not be able to put it back. It’s Bose’s terrible design.