Download the Samsung firmware for the W2018 SM-W2018 with product
code CHC from China (Open China). This firmware
version number PDA W2018ZCU1ARB2 and CSC
The operating system of this firmware
is Android 7.1.1 , with build date Thu, 22 Feb 2018 02:45:51 +0000.
Security patch date is 2018-02-01, with