Independent source guide

Ulefone data extraction: rugged phones and expansion accessories

Compare Armor 28 Thermal and Armor 34 Pro+ by thermal or projector hardware, battery and charging, uSmart tools and model-specific IP test notes.

Thermal imaging and projection belong to different Armor models

The Armor 28 Ultra Thermal Version adds a thermal imaging module; Armor 34 Pro+ integrates a DLP projector. Their model names, batteries and charging ratings describe separate configurations.

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Thermal imaging and projection belong to different Armor models
ModelIntegrated feature and powerProduct identity distinction
Armor 28 Ultra Thermal VersionThermoVue T2 thermal module, 640×512 resolution and 25Hz refresh; 10,600mAh capacity (5,300mAh at 7.74V equivalent, per the page note) and 120W wired charging.Thermal imaging distinguishes the Thermal Version from the standard Armor 28 Ultra listing.
Armor 34 Pro+Built-in 150-lumen DLP projector; 480p projection up to 100 inches from 3m; 25,500mAh battery and 66W charging.The integrated projector identifies Pro+; Armor 34 Pro is a separate model.

uSmart expansion uses a named accessory family

Both product pages describe the uSmart expansion connector and list supported tools. The compatibility model links an exact phone configuration, connector and separately purchased accessory.

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uSmart expansion uses a named accessory family
Connection detailUlefone-listed compatibilityAccessory and charging context
Expansion toolsuSmart E03, E02 and E01 endoscopes, plus the uSmart C01 microscope, are named on the Armor 28 Thermal and Armor 34 Pro+ pages.The pages say expansion devices require an additional purchase; this compatibility list is for the uSmart connector family.
uSmart 2.0 while chargingThe Armor 28 page says uSmart 2.0 works without interfering with Type-C charging; the Armor 34 Pro+ page describes use of the connector while charging.Both pages describe connector use during Type-C charging; Armor 28 says it does not interfere with the charging function.
Protective casesThe Cases & Covers collection names Armor 28, Armor X16, Armor X32 and RugKing 4 Pro families, alongside tablet covers.Case family labels distinguish phone fits and tablet covers rather than implying a shared universal fit.

IP claims have separate model-level test notes

Both phone pages display IP68/IP69K and MIL-STD-810H labels, but their controlled IP68 test depths differ. Ulefone also says chargers and accessories are not water-resistant, resistance can diminish with wear, wet charging should be avoided and liquid damage is not covered by warranty.

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IP claims have separate model-level test notes
ModelPublished rating labelsControlled IP68 test note
Armor 28 Ultra Thermal VersionIP68/IP69K and MIL-STD-810H.Maximum depth of 2m for 30 minutes.
Armor 34 Pro+IP69K/IP68 and MIL-STD-810H.Maximum depth of 1.8m for 30 minutes.

Content reviewed 2026-10-07.