Ericsson T28s Buying Guide for Collectors & Resellers

The Ericsson T28s, launched in 1999, remains one of the most iconic pieces of mobile history, celebrated for its ultra-slim profile and status as the first phone to utilize Lithium Polymer (Li-Po) battery technology Alibaba Alibaba Wikipedia.

Key Product Insights

* Design Pioneer: At just 83 grams and 15mm thick, it was the slimmest phone of its era, featuring a signature spring-loaded active flip mechanism that remains a favorite for collectors Phonearena Alibaba.

* Flagship Status: Originally positioned as a premium flagship, it was priced significantly higher than mid-range models like the T10, yet it achieved massive commercial success Wikipedia.

* Technical Legacy: It introduced the Li-Po battery to the mobile world, though this now poses a challenge for modern collectors as original batteries are prone to failure or swelling Alibaba Alibaba.

Market Trends & Collector Values

* Rising Collectibility: As of 2026, the T28s has shifted from a "used phone" to a high-value collectible. Mint-condition units with original packaging can command prices around $350 Tiktok Alibaba.

* The "Sand" Variant: While dark and light blue were common, the Sand color variant is considered the rarest and most desirable by enthusiasts Alibaba.

* Repair Economy: There is a growing niche market for refurbished original parts, specifically slim-line battery replacements and housing covers, as the active flip latch is prone to mechanical wear over time Alibaba Youtube.

I have compiled a list of refurbished Ericsson T28s units and related vintage mobile components currently available on B2B platforms, including pricing and supplier locations.

Ericsson T28s

Overview

Key Product Insights

Market Trends & Collector Values

Ericsson T28s Mobile Phone Refurbised Original

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Sources & References