Redmi 5A Operation was failed!

Welcome to Octoplus FRP Tool v.1.2.8.1
Platform: XIAOMI
Selected model: REDMI 5A
Put the phone into EDL mode:
1. Attach testpoint as shown in Help manual;
2. Connect USB cable;
3. Release testpoint after 3-5 seconds.
Searching for a phone. Please wait...
Found phone on COM7
Mode: Qualcomm 9008
Connecting...
Sending loaders...
Loader send successfuly.
Reconnecting...
Checking request..
Reading partition...
Reading info...
Brand: Xiaomi
Model: Redmi 5A
Device: riva
Platform: msm8937
Android version: 7.1.2
Display ID: N2G47H
Searching for signatures...
FRP signature not found!
Operation was failed!
Rebooting phone
Backup saved as XIAOMI_REDMI 5A_28-05-2018_16-04-30.dump file
Performed by 1.2.8.1 Software version.