Supports 4g tethering like the xp5 version of this phone?, and is the propritary os the modified version of android 4.4 like xp5 version of this pone?

Shmuel K, can you cite a specific source for Android? The manufacturer says "Proprietary OS".

How well does this phone manage group text / messaging? Does it receive and send group texts like a smartphone?

Yes it does like regular smartphones

When they all change from 5G to 5G, will this phone still work?

The phone is 4G/LTE even it moves to 5G the phone will still work

Is this a volte/ hd voice phone?

The xp5800 (xp5s) does support VoLTE. Supported on AT&T and AT&T GoPhone prepaid. T-Mobile may support it. Metro by T-Mobile does NOT. This phone may be blacklisted on some networks. Verizon, MINT, Straight talk and BOOST only allow officially whitelisted devices. I hate the use of "HD voice" as it gives the consumer the perception that it is hi-definition (or higher quality). The acronym actually refers to hi-density. Previous voice technology would multiplex analog or digital voice signals as 123412341234. HD voice uses a different multiplexing system of 8,8,8 (signals 1,2,3 are explicit, signal 4 is calculated from 8 minus check bit minus 3+2+1). Obviously you can put more voice calls (users) on the same radio this way. You can even multiplex in data (8,x,y,z,8,x,y,z,8,x,y,z) with the same overhead. So a "phone" that supports VoLTE is no longer a phone. It is now a cellular handset modem with audio coding/decoding ability. Digital Subsciber Line (DSL) is a close approximation of the concept in wired technology. The XP5700 does NOT support VoLTE (unless you break the kernel and root then sideload a modded 5s ROM it will, but only outside US).

Xp5s Dual Sim Xp5800 16gb 2 64 Factory Unlocked 4g

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Description

🛠️ Rugged reliability meets professional power — never miss a beat on the job!

BUILT TO BRAVE THE ELEMENTS - MIL-STD-810G & IP68 certified for military-grade toughness and waterproof reliability.
SEAMLESS DUAL SIM FLEXIBILITY - Manage work and personal lines effortlessly with dual nano SIM slots and global 4G LTE support.
POWER THROUGH YOUR LONGEST SHIFTS - Robust 3180mAh battery delivers up to 19 hours of talk time—stay connected when it counts.
SECURE AND EFFICIENT COMMUNICATION - Fingerprint biometric security plus Snapdragon 2.1 GHz processor for smooth, secure performance.
CUSTOM CONTROLS FOR CRITICAL MOMENTS - Dedicated custom keys, BTT switch, and red alarm sound keep you in command on the job.

The Sonim XP5S is a factory-unlocked, ultra-rugged Android smartphone designed for professionals in extreme environments. Featuring military-grade MIL-STD-810G and IP68 waterproof certifications, a powerful 3180mAh battery with 19 hours talk time, dual nano SIM slots for versatile 4G LTE connectivity, and custom hardware keys for critical communication. Its Snapdragon 2.1 GHz processor and fingerprint security ensure smooth, secure operation. Ideal for construction, outdoor adventures, and industrial use, this device prioritizes durability and dependable connectivity.

Specifications

ASIN	B07MMX4XFM
Additional Features	Rugged Body
Average Battery Life Talk Time	19 Hours
Battery Average Life	19 Hours
Battery Capacity	3180 Milliamp Hours
Battery Charge Time	3 Hours
Battery Description	Lithium Ion
Battery Power	3180
Best Sellers Rank	#81,635 in Mobile Phones & Communication Products ( See Top 100 in Mobile Phones & Communication Products ) #3,249 in SIM-free & Unlocked Mobile Phones
Biometric Security Feature	Fingerprint Recognition
Brand	Sonim
Built-In Media	Power Adapter, USB Cable, Sonim SecureAudio Connector, Charging Pins
CPU model	Snapdragon
CPU speed	2.1 GHz
Camera Description	Front, Rear
Camera Flash	no flash
Cellular Technology	4G
Color	Black
Compatible Devices	No Compatible Devices
Connectivity Technology	Wi-Fi
Connector Type	3.5mm Jack
Customer Reviews	3.8 out of 5 stars 77 Reviews
Display Pixel Density	123 Pixels Per Inch (PPI)
Display Resolution Maximum	320 x 432 pixels
Display Type	TFT
Effective Video Resolution	8 Pixels
Flash Memory Supported Size Maximum	16 GB
Form Factor	Bar
Frame Rate	30 fps or lower
GPS Geotagging Functionality	True
Headphones Jack	3.5 mm
Human-Interface Input	Microphone
Installed RAM memory size	2 GB
Item Weight	0.57 Pounds
Manufacturer	Sonim
Material Features	Sustainable
Memory Storage Capacity	16 GB
Memory storage capacity	16 GB
Model Series	XP
Model Year	2018
Number of Rear Facing Cameras	1
Operating System	Android
Operating system	Android
Optical Sensor Resolution	5 MP
Phone Talk Time	19 Hours
Processor Series	Snapdragon
Processor Speed	2.1 GHz
RAM Memory Installed	2 GB
Rear Facing Camera Photo Sensor Resolution	5 MP
Resolution	240 x 320
SIM Card Slot Count	Dual SIM
Screen Size	2.64 Inches
Shooting Modes	Hard, Low Lighting
Sim Card Size	Nano
Specific Uses For Product	Construction sites, extreme sports, professional work, outdoor adventures
Supported Satellite Navigation System	GPS
UPC	096962276119
Video Capture Resolution	8k
Water Resistance Level	Waterproof
Wireless Network Technology	GSM, LTE, UMTS
Wireless Provider	AT&T

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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