India: rules and approvals
Telecom approvals involve TEC's MTCTE scheme, WPC Equipment Type Approval for radio equipment, BIS registration for electronics, and trusted-source designation for equipment connected to licensed networks.
India · explosion proof
Explosion-Proof Mobile Phone in India
The IS-04Z1 is designed for people who work inside classified areas at Indian refineries, gas plants, LNG jetties and API blocks: field operators, inspection engineers, shift in-charges, and the HSE and materials teams whose sign-off a device has to survive. This page explains what to look for in an explosion proof mobile phone for India, and where the IS-04Z1 stands against that list today.
Pre-launch · certification in progress · Launching Q4 2026
Marking targetEx ib IIC T4Intrinsic safety, Zone 1 / 21 design target · certification in progress
AvailabilityQ4 2026via authorised distributors
Search topicexplosion proof
DeviceMobile Phone
RouteSpecification
WhereIndia
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for India: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
For the record, no certificate exists for the IS-04Z1 today. The programme is under way ahead of a Q4 2026 launch. A buyer's engineering review is separate from the certificate. Certification status. Place facts reviewed October 2026.
At a glance · explosion proof
Checklist: explosion proof mobile phone for India
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Protection concept | Flameproof (Ex d) or intrinsic safety (Ex i) | Intrinsic safety, level ib |
| Zone suitability | Zone 1 gas and Zone 21 dust | Design target for Zone 1 and 21 |
| Certificate | Number, issuing body and schedule of conditions | In progress; not issued |
| Where it applies | India: Jamnagar, Gujarat, Dahej and the Gujarat PCPIR, Hazira and Surat | Classified by the site operator |
Product · India
The product behind this search: the SAMS IS-04Z1.
SAMS IS-04Z1
An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in India. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
- IP68 sealed
- 4,000 mAh battery
- 50 MP camera
- Android 16
- Zone 1 / Zone 21 design target
The market · India
Hazardous-area industry in India
The main operators, industrial areas and sites that the SAMS India market guide covers.
Operators, EPCs and contractors
- Indian Oil Corporation
- Panipat, Mathura, Gujarat, Paradip, Haldia refineries
- Bharat Petroleum
- Mumbai, Kochi and Bina refineries with petrochemicals
- Hindustan Petroleum
- Visakhapatnam and Mumbai refineries, Barmer project
- ONGC
- Mumbai High platforms, Hazira and Uran plants
- GAIL
- Gas pipelines, Pata petrochemicals, city gas networks
- Reliance Industries
- Jamnagar, the largest single-site refining complex anywhere
Industrial areas and sites
- Jamnagar, Gujarat
- Refining and petrochemicals at a scale nowhere else matches
- Dahej and the Gujarat PCPIR
- LNG import, petrochemicals, a dense chemical cluster
- Hazira and Surat
- Gas processing, LNG regasification, fabrication yards
- Vadodara, Koyali, Ankleshwar
- Refining and the chemical belt running down to Vapi
- Mumbai and the offshore basin
- Mumbai High platforms, Uran, the Mahul refineries
- Panipat and Mathura
- Northern refining serving the Delhi corridor
Field notes · India
More about India that matters for portable equipment
India: industry on the ground
The Jamnagar refinery in Gujarat, commissioned in July 1999, now has installed capacity of 1.24 million barrels a day, the most at any single location in the world.
India: rules and approvals
A July 2025 PESO procedure accepts an IECEx certificate with test report for all manufacturers, and EU-type examination certificates only from EU-based manufacturers.
India: rules and approvals
PESO approval from the Chief Controller of Explosives is required for Ex electrical apparatus at petroleum, gas cylinder and pressure vessel premises, under rules such as the Petroleum Rules 2002.
The term · explosion proof
What “explosion proof” means for a smartphone
“Explosion proof” is the phrase most buyers use for equipment that may be taken into a classified hazardous area. Strictly, it covers several protection concepts: a flameproof enclosure (Ex d) contains an internal explosion, while intrinsic safety (Ex i) limits electrical energy so that an ignition cannot start. Phones are normally intrinsically safe, because a flameproof handset would be too heavy to carry all shift.
The IS-04Z1 uses intrinsic safety, with a marking target of Ex ib IIC T4, and is designed for Zone 1 and Zone 21. It is pre-launch, certification is in progress and no certificate has been issued.
In India. Explosion-proof and flameproof are used loosely in India, but the real choice is between concepts: flameproof Ex d for enclosures and intrinsic safety for a handset moved around plant. At refineries, gas plants and LNG jetties the IS-04Z1 is designed around intrinsic safety rather than a heavy flameproof housing.
The route · specification
Specifying an explosion proof mobile phone for India
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
Check on the paper
- Marking
- Equipment group, category, protection concept, gas group and temperature class, matched to the area drawing.
- Certificate and schedule
- A certificate number, issuing body and the schedule of conditions, not a brochure claim.
- Standards edition
- The IEC 60079 or national standard edition the certificate was issued against.
Check for the IS-04Z1
- Marking target
- II 2 G Ex ib IIC T4: a target, not yet a certificate.
- Certificate status
- IECEx, ATEX, UKEX and NEC 500 in progress; none issued.
- Operator approval
- Separate from the certificate and handled with the site operator.
Questions · India
Frequently asked questions
Can we buy an explosion proof mobile phone in India today?
No. Nothing can be bought or taken into a classified area today: certification is in progress and launch is planned for Q4 2026. What is available now is the datasheet, the written certification schedule and evaluation units for safe-area use.
What does an explosion proof mobile phone in India cost?
No price is published. While certification is in progress there is no list price and no committed lead time, and a supplier quoting a firm figure for an uncertified Ex handset is promising something it cannot stand behind. Indicative pre-launch pricing is issued in writing against a stated quantity and site.
Is the IS-04Z1 explosion proof or intrinsically safe?
It is intrinsically safe (marking target Ex ib IIC T4), which is the usual way to make a phone for hazardous areas. It is not a flameproof (Ex d) design, and certification is still in progress.
Which sites in India does this cover?
The market guide for India covers Jamnagar, Gujarat, Dahej and the Gujarat PCPIR, Hazira and Surat, Vadodara, Koyali, Ankleshwar, among others. Site-level pages are linked below.
Is intrinsically safe the same as explosion proof?
Not exactly. Explosion proof is a broad everyday term; intrinsic safety is one protection concept, which limits energy so ignition cannot occur. Flameproof (Ex d) is a different concept that contains an explosion. The IS-04Z1 is intrinsically safe by design.
What telecom approvals does a smartphone need in India?
Supplier guides list TEC's MTCTE scheme, WPC Equipment Type Approval for radio equipment, BIS registration and trusted-source designation for network equipment, each with its own scope. Which ones apply depends on the device, so check current requirements with the Department of Telecommunications or an agent.
Does PESO accept IECEx certificates?
A July 2025 procedure accepts an IECEx certificate of conformity with its test report from all manufacturers, and EU-type examination certificates from EU-based manufacturers only. Edition lists and document requirements change, so check the current PESO notice or ask a consultant before applying.
Is the device suited to monsoon and coastal conditions?
The IS-04Z1 has IP68 sealing, which helps with water and dust. That is an ingress rating only, and battery behaviour in heat and humidity is worth testing. Ask for the datasheet's operating ranges and trial a unit on a coastal site round.
Related guides
Keep exploring
Related guides for India and for India.
ATEX and IECEx Mobile Phone Distributor in IndiaSame place, different guide
Ex-Proof Mobile Phone in IndiaSame place, different guide
Hazardous Area Mobile Phone in IndiaSame place, different guide
Industrial Mobile Phone Supplier in IndiaSame place, different guide
Rugged Mobile Phone in IndiaSame place, different guide
Intrinsically Safe Mobile Phone in IndiaSame place, different guide
India market guideCertification route and regulators
All guides for IndiaEvery route we cover
Certification statusWhat is in progress
Enquiry · India
Ask about the IS-04Z1 for India
Tell us what you need to equip and where. The SAMS team answers by email with the datasheet and where each certification route stands.
Enquiry · India
Launching Q4 2026
Planning for India?
Send the zone and gas group of your site and we will reply with the datasheet and schedule.