ZTE Z987 FRP fails

Welcome to Octoplus FRP Tool v.1.7.5.0
Platform: ZTE
Selected model: Z988
Searching for a phone. Please wait...
Found phone on COM104
Mode: Diagnostic
Firmware released date: Dec 4 2017
Firmware released time: 16:12:47
Firmware compiled date: Jul 07 2015
Firmware compiled time: 15:00:00
SW version: MPSS.DI.2.0.1.c1.18-00033-M8926DAAAANAZM-1.23860.1
Rebooting to Qualcomm 9008 mode...
Found phone on COM103
Mode: Qualcomm 9008
Connecting...
Reading info...
QC Block ID: 08A98334
QC HW ID: 008050E100040008
QC CPU: UnckNow
QC HASH: 0CE312D39E161D5113EF2A3F875D32B951B0A28A1C28EF58D9 6B7EF8D4F72CFE
QC SW VER: 00000000
Searching loader...
Sending loaders...
Could not write loader!
Backup saved as ZTE_Z988_22-08-2019_20-31-12.dump file
Performed by 1.7.5.0 Software version.

Hello, is there something you can do for this model?