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TCL Classic (4058)

AT&T 4G LTE Flip Phone — Model 4058C

YC Product Documentation

Overview

The TCL Classic (model 4058C) is a 4G LTE clamshell flip phone designed for users who want a simple, reliable device without smartphone complexity. It features a compact design, physical keypad, and is compatible exclusively with the AT&T network. Yoder Connections offers this phone with optional Secure Lockdown configurations, making it well-suited for organizations that need to limit device capabilities for employees or clients.

Two variants available: This phone is sold both with Secure Lockdown (restricts features as configured) and without lockdown (browser and all features enabled). See the Lockdown Options section below for details.

Hardware Specifications

Specification	Details
Model	4058C (AT&T)
Form Factor	Clamshell flip phone
Operating System	Feature phone OS
Processor	MediaTek MT6739, quad-core 1.5 GHz Cortex-A53
RAM	512 MB
Storage	4 GB internal + microSDHC slot (dedicated)
Main Display	2.8" TFT LCD, 240 × 320 pixels (~143 ppi)
External Display	1.44" TFT-TN LCD
Camera	2 MP rear with LED flash; 480p video @ 30 fps; no front camera
Battery	1,850 mAh; 5W wired charging
Network	4G LTE (AT&T) — Bands 2, 4, 5, 12, 14
3G	HSDPA 850 / 1700(AWS) / 1900
2G	GSM 850 / 900 / 1800 / 1900
Wi-Fi	802.11 b/g/n
Bluetooth	4.2, A2DP
GPS	Yes
NFC	No
USB	Type-C
Headphone Jack	3.5 mm
SIM	Nano-SIM
Dimensions	107.3 × 55.6 × 19.8 mm (4.22 × 2.19 × 0.78 in)
Weight	139.8 g (4.94 oz)
Color	Black

Lockdown Options

Yoder Connections offers Secure Lockdown — a pre-shipping configuration service that restricts device features to match your organization’s needs. This helps limit smartphone distractions and data usage while keeping essential communication available.

The No Lockdown version ships with the web browser enabled and all standard features accessible. The Secure Lockdown versions ship with features restricted as specified below.

Lockdown Option	Features Accessible
No Lockdown (with browser)	All features enabled; web browser accessible
Talk Only — no camera or music player	Voice calls only; no camera, no music player, no texting, no browser
Talk Only — with camera & music player, no video	Voice calls; camera and music player enabled; no texting, no video, no browser
Talk & Text — with camera & music player, no video	Voice calls and SMS; camera and music player enabled; no video, no browser

Network & Compatibility

The TCL Classic 4058 is designed for the AT&T network and is not compatible with Verizon, T-Mobile, or other carriers. It supports 4G LTE for calls and data on AT&T’s network.

AT&T only: This phone will not activate or function on Verizon, T-Mobile, or other carrier networks. Confirm the end user has an AT&T account or AT&T-based MVNO service before ordering.

Network	Details
Carrier	AT&T (4G LTE)
LTE Bands	2, 4, 5, 12, 14
Wi-Fi Calling	Supported (when enabled on account)
5G	Not supported — 4G LTE only

Resources

No user manual currently on file for this model. Contact Yoder Connections for support.