Zebra TC21 Product Reference Guide

Application Deployment
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If the device has removable storage installed, touch Internal shared storage to display a the amount of
internal storage used by apps, photos, videos, audio and other files.
External Storage
The device can have a removable microSD card. The microSD card content can be viewed and files
copied to and from when the device is connected to a host computer.
Viewing External Storage
1. Go to Settings.
2. Touch Storage.
Portable storage displays the total amount of space on the installed microSD card or USB drive and the
amount used.
To unmount the microSD card, touch .
Touch SD card to view the contents of the card.
Formatting a microSD Card
1. Touch SD card.
2. Touch > Storage settings.
3. Touch Format.
4. Touch ERASE & FORMAT.
5. Touch DONE.
Formatting a microSD Card as Internal Memory
You can format a microSD card as internal memory to increase the actual amount of the device’s internal
memory. Once formatted, the microSD card can only be read by this device.
1. Touch SD card.
2. Touch > Storage settings.
3. Touch Format as internal.
4. Touch ERASE & FORMAT.
5. Touch DONE.
Enterprise Folder
The Enterprise folder (within internal flash) is a super-persistent storage that is persistent after a reset and
an Enterprise Reset. The Enterprise folder is erased during a Factory Reset. The Enterprise folder is used
for deployment and device-unique data. The Enterprise folder is approximately 128 MB (formatted).
Applications can persist data after an Enterprise Reset by saving data to the enterprise/user folder. The
folder is ext4 formatted and is only accessible from a host computer using ADB or from an MDM.
Managing Apps
Apps use two kinds of memory: storage memory and RAM. Apps use storage memory for themselves and
any files, settings, and other data they use. They also use RAM when they are running.

Zebra TC21 Specifications

General

Display diagonal	5 \
Touch technology	Multi-touch
Touchscreen type	Capacitive
Display resolution	1280 x 720 pixels
Battery capacity	3100 mAh
Battery life (max)	10 h
Battery recharge time (off)	4 h
Flash memory	32 GB
Internal memory	3 GB
Internal memory type	-
Compatible memory cards	MicroSD (TransFlash), MicroSDHC, MicroSDXC
Maximum memory card size	128 GB
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version	5.0
Security algorithms	EAP-PWD, EAP-PEAP, EAP-TLS, EAP-TTLS, LEAP, MSCHAPv2, WEP, WPA, WPA-AES, WPA-TKIP, WPA2, WPA2-AES, WPA2-TKIP
Rear camera resolution (numeric)	13 MP
USB 2.0 ports quantity	1
RFID reader	No
Scanner type	1D/2D
Certification	RoHS 2011/65/EU; 2015/863 REACH SVHC 1907/2006
Product color	Black
International Protection (IP) code	IP67
Speakers	Mono
Operating system version	10
Operating system installed	Android
Number of cores	8
Processor model	660
Processor family	Snapdragon
Processor frequency	1.8 GHz
Processor manufacturer	Qualcomm
Storage temperature (T-T)	-30 - 70 °C
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	5 - 95 %
Harmonized System (HS) code	84713000

Weight and Dimensions

Depth	13.7 mm
Width	79 mm
Height	158 mm
Weight	236 g