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Zebra TC21 Product Reference Guide

Zebra TC21
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Application Deployment
175
7.
On the host computer, open a command prompt window and use the adb command:
adbdevices
The following displays:
Listofdevicesattached
XXXXXXXXXXXXXXXdevice
(where XXXXXXXXXXXXXXX is the device number).
NOTE: If device number does not appear, ensure that ADB drivers are installed properly.
8. Type:
adbrebootrecovery
9. Press Enter. The System Recovery screen appears.
10. Press the Volume Up and Volume Down buttons to navigate to apply from adb.
11. Press the Power button.
12. Use the Volume Up and Volume Down buttons to navigate to Full OTA Package or Diff OTA Package.
13. Press the Power button.
14. On the host computer command prompt window type:
adbsideload<file>
where: <file> = the path and filename of the zip file.
15. Press Enter. The System Update installs (progress appears as percentage in the Command Prompt
window) and then the Recovery screen appears.
16. Press the Power button to reboot the device.
Verifying System Update Installation
1. Go to Settings.
2. Touch About phone.
3. Scroll down to Build number.
4. Ensure that the build number matches the new system update package file number.
Enterprise Reset
An Enterprise Reset erases all user data in the /data partition, including data in the primary storage
locations (
/sdcard and emulated storage).
Before performing an Enterprise Reset, provision all necessary configuration files and restore after the
reset.
Perform Enterprise Reset from the device settings, using a microSD card, or using ADB.
Performing an
Enterprise Reset From Device Settings
1. Go to Settings.
2. Touch System > Reset options > Erase all data (enterprise reset).
3. Touch Erase all data twice to confirm the Enterprise Reset.

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Zebra TC21 Specifications

General IconGeneral
Display diagonal5 \
Touch technologyMulti-touch
Touchscreen typeCapacitive
Display resolution1280 x 720 pixels
Battery capacity3100 mAh
Battery life (max)10 h
Battery recharge time (off)4 h
Flash memory32 GB
Internal memory3 GB
Internal memory type-
Compatible memory cardsMicroSD (TransFlash), MicroSDHC, MicroSDXC
Maximum memory card size128 GB
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version5.0
Security algorithmsEAP-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 quantity1
RFID readerNo
Scanner type1D/2D
CertificationRoHS 2011/65/EU; 2015/863 REACH SVHC 1907/2006
Product colorBlack
International Protection (IP) codeIP67
SpeakersMono
Operating system version10
Operating system installedAndroid
Number of cores8
Processor model660
Processor familySnapdragon
Processor frequency1.8 GHz
Processor manufacturerQualcomm
Storage temperature (T-T)-30 - 70 °C
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)5 - 95 %
Harmonized System (HS) code84713000
Weight and Dimensions IconWeight and Dimensions
Depth13.7 mm
Width79 mm
Height158 mm
Weight236 g

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