Modular customizable ruggedized protective case with detachable sidewall for mobile device

A modular ruggedized protective case for a mobile communications device, comprising:

• a primary housing configured to at least partially enclose one or more of an edge of a mobile communications device and a first rear face of the mobile communications device, the primary housing fashioned of a flexible material;
• a secondary housing configured to at least partially enclose the primary housing, the secondary housing fashioned of a rigid material;
• and
• a removable sidewall configured for attachment to and detachment from the secondary housing via at least one snap-on point, the removable sidewall fashioned of a rigid material similar to that of the secondary housing,
• the removable sidewall conforming to the exterior surface of the secondary housing and configured to conceal at least one connector port set into the mobile communications device, the at least one connector port configured for physically and communicatively coupling a peripheral keyboard to the mobile communications device;
• wherein each snap-on point comprises a sidewall portion of the removable sidewall configured for engagement with a housing portion of the secondary housing,
• the housing portion comprising:
• a pair of receiving slots on either side of a tab, the tab comprising an outer tab extending from the secondary housing and an inner tab under the outer tab, the inner tab having a forward end and a rear end extending farther from the outer tab than the forward end;
• the sidewall portion comprising:
• a pair of rails configured to translate along the receiving slots as the removable sidewall is attached or detached;
• and
• a hole extending through the sidewall portion between the pair of rails and conforming to the inner tab, the inner tab configured to lock into the hole when the hole extends beyond the rear end;
• and
• wherein the outer tab is configured for engagement by a user to release the inner tab from the hole.