Yealink SIP-T58A Recovery Guide

Recovery Mode on Yealink IP phones
17
For CP960 IP Phones
This section is only applicable to CP960 IP phones.
Procedures:
1. Reconnect the PoE adapter.
2. Long tap the Home touch key when the touch screen prompts “Initializing…” to trigger the recovery
mode.
The IP phone will read and upgrade the firmware from the USB flash drive, and the touch screen
prompts “Firmware Updating”.
When upgrading successfully, the touch screen prompts “Initializing”.
3. If the IP phone fails to upgrade, the LCD screen will indicate the failure. You need to check and make
sure:
 The file system of the USB flash drive should be FAT32.
 The USB flash drive has been successfully connected to the IP phone.
 The resource files are correctly renamed and placed on the USB flash drive.
 Repeat the recovery mode procedures to try again.
The LCD screen prompts “Update failed (-1)” when failing to upgrade:
4. Tap Settings->General to verify the current firmware version after upgrading successfully.
…. Update failed (-1) ….

Yealink SIP-T58A Specifications

General

Touchscreen type	Capacitive
Display resolution	1024 x 600 pixels
Operating system version	5.1.1
Operating system installed	Android
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Bluetooth	No
Security algorithms	SRTP
Networking standards	IEEE 802.1x
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP/TFTP/HTTP/HTTPS, IPv4/IPv6, UDP/TCP/DNS-SRV
USB 2.0 ports quantity	2
Voice codecs	G.711Mu, G.711a, G.722, G.722.1, G.722.1C, G.723, G.726, G.729ab, iLBC
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Front camera resolution (numeric)	2 MP
Base station keys	27
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
Power consumption (typical)	1.9 W
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	220 mm
Width	259.4 mm
Height	239 mm
Package depth	293 mm
Package width	324 mm
Package height	128 mm