Zebra ET55 User Manual

ZEBRA and the stylized Zebra head are trademarks of Zebra Technologies Corp., registered in many jurisdictions worldwide. All other trademarks are the property of their
respective owners. ©2020 Zebra Technologies Corp. and/or its affiliates. All rights re served.

Release Notes - Zebra ET55 Android M LifeGuard
Update 07 WWAN (GMS)

Highlights

This release contains the following software package which is compatible with the ET55 GMS product
LifeGuard patches are cumulative and include all previous fixes that are part of earlier patch releases.

Software Packages

Package Name

Package Description

CFE-ET55-M-XX-032120-G-00-07.zip

CFE package update

Security Updates:

• Android Security Patch Level: 2018-08-05 (Critical Patch Level: 2020-11-01)

Use the below link to see the Android Security bulletin for more information:

https://source.android.com/security/bulletin/

1. CFE v7 Updates:

CFE-ET50-M-XX-032120-G-00-07.zip (GMS)

o SPR40628 - Fixed the issue of GTK rotation failure in device due to invalid rates sent in

TSPEC from the AP

o SPR40178 - Fixed the issue where sometimes device not responding to pings when in

suspend state

o SPR39491 - Fixed the issue where device sends RIC IE in reassociation though AP is not

supporting RIC

o SPR40705 - Fixed the device behavior to ignore the deauth/disassoc from previously

connected AP

• Updated Components:
o WebView 85.0.4183.127

2. CFE v6 Updates:

CFE-ET55-M-XX-032120-G-00-06.zip (GMS)

ZEBRA and the stylized Zebra head are trademarks of Zebra Technologies Corp., registered in many jurisdictions worldwide. All other trademarks are the property of their
respective owners. ©2020 Zebra Technologies Corp. and/or its affiliates. All rights re served.

o SPR39621 - Fixed an issue wherein UI manager CSP was crashed while setting EKB as

default.

o SPR39572 - Resolved an issue wherein sim Card was not detected in earlier modems

sporadically.

o Enable DataWedge Camera Decode and support multi-decode unique continuous mode.

• Updated Components:
o WebView 83.0.4103.106

3. CFE v5 Updates:

CFE-ET55-M-XX-032120-G-00-05.zip (GMS)

o SPR38483 - Resolved an issue where Bluetooth slowness seen with printer operation.
o SPR37841 - Cypress fixed the issue with power save which made the device not to

receive the buffered packets.

o SPR38958 - Resolved an issue where VPN and ethernet connection was not using

Domain name.

o SPR37982 - Resolved an issue wherein incorrect power consumption was reported

against Bluetooth module

o SPR37434 - Resolved an issue wherein High CPU utilization is observed when StageNow

is used to configure Fusion Advance logs.

o Updated the firmware for fixing Kr00k vulnerability issue seen with Broadcom Wi-Fi

chipsets

• Updated components:

o WebView 84.0.4117.0

o FUSION_BA_3_10.0.5.014_M

4. CFE v4 Updates:

CFE-ET55-M-XX-032120-G-00-04.zip (GMS)

• Updated components:

o WebView: 73.0.3683.90
o Fusion: FUSION_BA_3_10.0.5.013_M