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ZenFone Selfie (ZB553KL) Official Firmware Download Only Here !!!
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1708.154 2017/08/31
WW-14.0400.1708.154
1.Improve camera quality
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1709.165 2017/10/05
WW-14.0400.1709.165
1.Improve the camera quality
2.System stabilization improvement
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1710.168 2017/10/31
WW-14.0400.1710.168
1.Improve camera quality
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1711.173 2017/11/15
WW-14.0400.1711.173
1. Improve camera quality
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1712.181 2017/12/19
WW-14.0400.1712.181
1. Improve camera quality
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1801.186 2018/01/11
WW-14.0400.1801.186
1.Update Google security patch
2.Improve front camera performance
3.Improve phone connecting stability
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1802.190 2018/02/14
WW-14.0400.1802.190
1.Improve focus accuracy in video zoom
2.Apply February Google Security patch
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1803.192 2018/03/20
WW-14.0400.1803.192
1.Update google patch
2.Add more ASUS default lockscreen wallpaper
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1804.196 2018/04/27
WW-14.0400.1804.196
1.Update google security patch
2.Adjusted that when open tethering, status bar will show tethering connection notification.
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1806.203 2018/07/27
WW-14.0400.1806.203
1.Update google security patch
2.Privacy Setting update
3.Strengthening security information
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1807.205 2018/08/23
WW-14.0400.1807.205
1.Security patch update
ZenFone Selfie (ZB553KL) Official Firmware Version WW-14.0400.1808.206 2018/09/21
WW-14.0400.1808.206
1.Google Security Patch update
ZenFone Selfie (ZB553KL) Official Firmware Version WW-15.0400.1809.405 2018/10/12
WW-15.0400.1809.405
1.Update OS to Android 8.1.0 Oreo
2.Update ASUS ZenUI to 5.0
ZenFone Selfie (ZB553KL) Official Firmware Version WW-15.0400.1901.504 2019/01/16
WW-15.0400.1901.504
Privacy Setting update
Google APPs update
Google security patch update
ZenFone Selfie (ZB553KL) Official Firmware Version WW-15.0400.1903.508 2019/03/21
WW-15.0400.1903.508
Privacy Setting update
Google APPs update
Google security patch update
ZenFone Selfie (ZB553KL) Official Firmware Version JP-15.0400.1903.508 2019/04/09
JP-15.0400.1903.508
1. Update to Android 8.1
2. Update Google security patch
ZenFone Selfie (ZB553KL) Official Firmware Version WW-15.0400.1905.512 2019/05/27
WW-15.0400.1905.512
1.Google APPs update
2.Google security patch update
ZenFone Selfie (ZB553KL) Official Firmware Version JP-15.0400.1905.512 2019/05/27
JP-15.0400.1905.512
1.Update Google security patch
2.Improve System performance