Dear Bros.
It is possible to write the laterts version to CPH1801 A71.
final version is CPH1801EX_11_A.26
I got the infor from UMT
Device : Oppo A71 (CPH1801)
Operation : Read Information
Checking for existing devices...Not Found
Turn Off phone, hold Vol UP + Vol DOWN and insert USB cable.
Some phones may need Special Boot Cable or TestPoint for EDL mode.
Found Port : Qualcomm HS-USB QDLoader 9008 (COM16)
Driver Info : Qualcomm Incorporated, qcusbser.sys, 2.1.2.0
Connecting to phone...OK
Waiting for response...OK
Init Handshake Sequence...OK
Hardware ID : E1A00900 [8953] 00000000
OPK_DATA : 557BAC65705B8A8303276B9FBB8FD533DBB33EA9E55BF80B47 647B8549C170B9
Initializing Protocol...OK
Using Auto Loader Selection [1]
Preparing Loader...Done
Sending Loader [8953_015]...Done
Executing Loader...OK
VIP/Auth Enabled Device! Not supported at the moment!
Storage Initializaton Failed!
Please use correct loader and check USB port / cable.
Operation Finished.
QcFire Ver. 6.2
Also phone is in recovery mode now.I want to flash the set.any way
Thanks