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Blue hard-shell flip-phone case with textured grip and rotating belt-clip holster

Nakedcellphone

Nakedcellphone XP3900 Blue Hard Case & Belt Clip Holster Combo

SKU CH-FKSS-06XFE MPN XP3900

Protective hard case and rotating belt-clip holster designed for the Sonim XP3 Plus 4G flip phone

  • Compatible phone brandsFor Sonim
  • Compatible phone modelsFor Sonim XP3 Plus 4G (XP3900, 2021)
  • Materials usedRigid Rubberized Plastic
  • Product typeClip, Fitted Case/Skin, Belt Holster, Carry Case, Hard Cover
  • Product colorBlue
  • Key featuresWith Clip, Kickstand, Slim, Lightweight, Enhanced Grip
  • Two-piece combo protects phone and adds belt carry
  • Ratchet clip locks in 13 positions for vertical or horizontal wear
  • Face-in holster design shields screen while clipped on hip
  • Contoured polycarbonate shell with textured grid pattern improves grip
  • Slim hard case keeps all buttons, ports and flip action accessible

Protection and carry combo

This two-piece set combines a rigid rubberised-plastic snap-on cover with a custom-fit belt holster for the Sonim XP3 Plus 4G (XP3900, 2021). The case wraps the front and back panels while leaving all buttons, ports, camera and speaker accessible, and the flip action works normally. A textured grid pattern adds grip and the powder-coated polycarbonate resists daily knocks. The holster holds the closed phone face-inward to shield the screen.

Workers needing hands-free access, not minimalists

The ratchet clip locks in 13 positions so the handset can sit vertical, horizontal or angled on a belt or waistband, keeping it secure on active job sites. Micro-fibre lining prevents abrasion while the phone rides inside the holster. Buyers who prefer a pocket-thin skin without any belt attachment will find the extra bulk unnecessary. Anyone using a different handset cannot use this combo because the holster is moulded to the XP3900 case profile.

Model-specific fit decides compatibility

The holster is engineered exclusively for the Sonim XP3 Plus 4G (XP3900, 2021) wearing the supplied case; no other phone or case combination will seat and lock correctly. The snap-on cover mirrors the flip phone's contours, so cut-outs align only with this model's button layout, charger port, camera and speaker. Before ordering, confirm the handset is the 2021 XP3900 variant — other Sonim models will not fit.

How it compares

Measured against everything we stock in Phone Cases & Protective Covers, at today’s prices. Recalculated every night.

Price $13.99
Pricier than about 57% of the 9,189 comparable items (median $11.99).

Specifications

Product
Brand nameNakedcellphone
Model nameNakedcellphone Phone Case + Belt Clip Holster Combo
Part numberHOLCOM-XP3PLUS-BLUE
Product typeClip, Fitted Case/Skin, Belt Holster, Carry Case, Hard Cover, Holster Case
Product colorBlue
Size & build
Materials usedRigid Rubberized Plastic
Compatibility
Compatible phone brandsFor Sonim
Compatible phone modelsFor Sonim XP3 Plus 4G (XP3900, 2021)

Questions about this item

Will this hard case and holster fit the Sonim XP3 Plus 4G model XP3900 from 2021?

Yes, the combo is contoured specifically for the XP3900 flip phone; the two-piece polycarbonate shell snaps onto the front and back panels while the holster is sized to hold the phone with the case already on.

How does the belt clip attach and rotate, and what is the common mistake?

The ratchet clip locks into 13 positions for vertical, horizontal or angled carry; the step people miss is sliding the phone in face-inward so the screen stays protected and the clip seats fully.

What part of the holster wears out first and how do I replace it?

The soft micro-fibre lining inside the holster can compress over time; the holster itself is sold as a matched unit, so replacement means buying a new combo rather than a separate liner.

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