G990B BIT F LOADER NOT WORKING

carlos_zyk

Active Member
Jun 27, 2019
65
3
[EDL] ERASE FRP Waiting for HS-USB QDLoader 9008... COM16
Selected Model : Samsung S21 FE 5G (BIT-F)
Code Name : SM-G990B/SM-G990B/DS (BIT-F)
Operation : Erase FRP [1]
Authenticating... OK
Retrieving server data... OK [421 KiB]
Initializing data... OK
Waiting for HS-USB QDLoader 9008... COM16
Connecting to device... OK
Writing flash programmer... FAIL
[Sahara] Firehose verification failed!
Trying to connect to FIREHOSE Mode!
Failed to open "COM16"!!! 系统找不到指定的文件。
 
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Reactions: t.gena

t.gena

Junior Member
Oct 18, 2025
2
0
Germany
[EDL] ERASE FRP Waiting for HS-USB QDLoader 9008... COM16
Selected Model : Samsung S21 FE 5G (BIT-F)
Code Name : SM-G990B/SM-G990B/DS (BIT-F)
Operation : Erase FRP [1]
Authenticating... OK
Retrieving server data... OK [421 KiB]
Initializing data... OK
Waiting for HS-USB QDLoader 9008... COM16
Connecting to device... OK
Writing flash programmer... FAIL
[Sahara] Firehose verification failed!
Trying to connect to FIREHOSE Mode!
Failed to open "COM16"!!! 系统找不到指定的文件。
I agree with the thread creator; Unlocktool is currently not working on the Samsung Galaxy S21 FE 5G (SN-G990B BIT F), even though this model is listed in the release notes for Unlocktool (see screenshot).
I'm now annoyed about the money I wasted on purchasing the Unlocktool license!
 

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