Planning a compact 4G rugged-phone ODM project? Start from a real current base device, then define the customization separately. The current Phonemax R4 Mini is a useful technical reference for a small rugged Android platform.
Current R4 Mini base specifications
The R4 Mini measures 121 × 59.5 × 15.5 mm, weighs 150 g, runs Android 14 and uses a 3000mAh battery. Its product materials also list a 4-inch display and separate Europe and Americas network configurations.
ODM starts with deployment requirements
Before discussing branding or enclosure changes, define the countries, carriers, required LTE bands, memory, applications, accessories and certification scope. A “global” project should never assume one network configuration works everywhere.
Separate published product facts from custom-project possibilities
The retail R4 Mini listing verifies the current base specification. It does not by itself guarantee that every requested color, logo, firmware change, housing modification, packaging option or hardware change is available for an ODM order.
Sample before volume deployment
For a private-label or field-device project, test the exact sample configuration on the intended carrier and workflow before committing to production quantities.
Bottom line
The R4 Mini is a current compact 4G rugged-phone reference for ODM discussions. Treat its published specifications as the baseline and confirm custom requirements, certification scope, MOQ and lead time separately.
Checked September 24, 2026.
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