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+[* icon_caution] Warning: Swollen or cracked batteries can be hazardous to humans due to fumes or potential fire. If you feel unsafe at anytime completing this guide, put your device in a fireproof container and take it to a replacement professional.
[* black] Flip the iRobot Roomba i7 so that the underside is facing upwards.
[* black] Using a Phillips #1 screwdriver, loosen the following screws:
[* red] 6.27mm-screw in the center of the side brush.
- [* orange] Five (size) screws on the bottom cover.
+ [* orange] Five 6.24mm-screws on the bottom cover.