X13 intrinsically safe mobile phone is an explosion-proof model5GMobile phones are multifunctional explosion-proof smartphones that integrate business, outdoor, industrial, and explosion-proof functions. Mobile phone throughIICExplosion proof certification, explosion-proof markEx ib IIC T4 GbCan be used in the chemical industry1District2Dangerous, flammable, and explosive environments such as petroleum, chemical, pharmaceutical, military, natural gas pipelines, oil depots, tank farms, etc.