A720f u8 unknown baseband after write suitable modem. - GSM-Forum

khalidjan · 08-07-2019, 15:15

A720f u8 unknown baseband after write suitable modem.

can't write cert

**Chimera Tool** · 08-07-2019, 16:46

Dear User,

Please let us know more information about the problem that you have. If you did works with the Chimera tool for that device. Please let us know the Work ID's from the Jobs. With more information hopefully we can help you out.

Best Regards
Chimera Team

Quote:

Originally Posted by khalidjan

A720f u8 unknown baseband after write suitable modem.

can't write cert

khalidjan · 08-08-2019, 05:19

A720F phone history...

phone was imei NG
i flashed combination and write cert done but still NG.
then flashed stock but keep restating in recovery.
flashed root but can't solved restarting then i flashed eng efs and it become unknown baseband.
then repeated all steps again and i edited eng efs and flashed...
now phone OK but imei 000000000000.
now trying to write cert but chimera need suitable modem.
now it is unknown baseband after write suitable modem.

------------------------------------------
log history:
---------------
Chimera Mobile Phone Utility version: 21.95.0907 @ 2019-08-08
Printing phone history

Repair IMEI
8/7/2019
1:51:34
PM

Write Cert
8/7/2019
1:50:47
PM

Write Cert
8/7/2019
1:44:21
PM

Write Cert
8/7/2019
1:40:14
PM

Write Cert
8/7/2019
9:55:41
AM

Write certificate started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-A720F
Sales Code: SER
Country Code: Russia
Timezone: Asia/Kabul
Android Version: 8.0.0 [R16NW] [SDK 26]
Build Date: Fri Jul 12 18:32:33 KST 2019
PDA Version: A720FXXU8CSG3 [july 2019, rev3]
Phone Version: A720FXXU8CSF1 [june 2019, rev1]
CSC Version: A720FOXY8CSG3 [july 2019, rev3]
Product Code: SER
HIDSw Version: A720FXXU8CSG3/A720FOXY8CSG3/A720FXXU8CSF1/A720FXXU8CSG3
Board Platform: EXYNOS5
Modem Platform: SHANNON325
Serial Number: R28J12P1X1V
Imei: 000000000000000
Unique Number: CBJ10A6995AB5B3
Connections: AT,MTP
Battery Status: 4.08V (77%)
Network Type: GSM
SIM Status: ABSENT
Knox Version: v30
Warranty Bit: 1
Security Patch: 2019-06-01
Data Encryption State: encrypted
Writing cert...
Checking modem version.
Decompressing modem image.
Flashing modem image.
Switching to download mode.
Waiting for download mode.
Connecting.
SBL Info: Model: SM-A720F, Region: EUR, Provider: OPEN, PDA: A720FXXU8CSG3
Reading PIT from phone.
Flashing modem.bin
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
Checking modem version.
Reading data. Be patient! Do NOT disconnect the phone!
Write cert failed.
Finished at local time: [08.08.19 08:45:44]
WorkID: 69095300

gsm-ok · 08-08-2019, 11:54

u8 no supported.

added chimera team soon.

gcceleghg · 08-08-2019, 12:22

First try to flash with engineering file with binary file 8
Once in an engineering file, check if you have recovered the Imei. Then flash with a firmware using Serial Number: R28J12P1X1V
Once you can recover the Imei, then try to repair it.

Hafiz ArslanAli · 09-03-2019, 11:09

in my case... same happen. but after write ENG Modem problem imei comes... but chimera not read Cert

08-07-2019, 15:15	#1 (permalink)
khalidjan No Life Poster Join Date: Nov 2007 Location: United State Of Islam Age: 34 Posts: 2,054 Member: 624551 Status: Offline Sonork: 100.1584837 Thanks Meter: 737	A720f u8 unknown baseband after write suitable modem. A720f u8 unknown baseband after write suitable modem. can't write cert

08-08-2019, 05:19	#3 (permalink)
khalidjan No Life Poster Join Date: Nov 2007 Location: United State Of Islam Age: 34 Posts: 2,054 Member: 624551 Status: Offline Sonork: 100.1584837 Thanks Meter: 737	A720F phone history... phone was imei NG i flashed combination and write cert done but still NG. then flashed stock but keep restating in recovery. flashed root but can't solved restarting then i flashed eng efs and it become unknown baseband. then repeated all steps again and i edited eng efs and flashed... now phone OK but imei 000000000000. now trying to write cert but chimera need suitable modem. now it is unknown baseband after write suitable modem. ------------------------------------------ log history: --------------- Chimera Mobile Phone Utility version: 21.95.0907 @ 2019-08-08 Printing phone history Repair IMEI 8/7/2019 1:51:34 PM Write Cert 8/7/2019 1:50:47 PM Write Cert 8/7/2019 1:44:21 PM Write Cert 8/7/2019 1:40:14 PM Write Cert 8/7/2019 9:55:41 AM Write certificate started Gathering phone info... Collecting information. Be patient! Do NOT disconnect the phone! Model: SM-A720F Sales Code: SER Country Code: Russia Timezone: Asia/Kabul Android Version: 8.0.0 [R16NW] [SDK 26] Build Date: Fri Jul 12 18:32:33 KST 2019 PDA Version: A720FXXU8CSG3 [july 2019, rev3] Phone Version: A720FXXU8CSF1 [june 2019, rev1] CSC Version: A720FOXY8CSG3 [july 2019, rev3] Product Code: SER HIDSw Version: A720FXXU8CSG3/A720FOXY8CSG3/A720FXXU8CSF1/A720FXXU8CSG3 Board Platform: EXYNOS5 Modem Platform: SHANNON325 Serial Number: R28J12P1X1V Imei: 000000000000000 Unique Number: CBJ10A6995AB5B3 Connections: AT,MTP Battery Status: 4.08V (77%) Network Type: GSM SIM Status: ABSENT Knox Version: v30 Warranty Bit: 1 Security Patch: 2019-06-01 Data Encryption State: encrypted Writing cert... Checking modem version. Decompressing modem image. Flashing modem image. Switching to download mode. Waiting for download mode. Connecting. SBL Info: Model: SM-A720F, Region: EUR, Provider: OPEN, PDA: A720FXXU8CSG3 Reading PIT from phone. Flashing modem.bin Restarting phone. Waiting for ADB connection. Be patient! Do NOT disconnect the phone! Checking modem version. Reading data. Be patient! Do NOT disconnect the phone! Write cert failed. Finished at local time: [08.08.19 08:45:44] WorkID: 69095300

08-08-2019, 11:54	#4 (permalink)
gsm-ok No Life Poster Join Date: May 2016 Location: IR Posts: 640 Member: 2575029 Status: Offline Thanks Meter: 122	u8 no supported. added chimera team soon.

08-08-2019, 12:22	#5 (permalink)
gcceleghg No Life Poster Join Date: Jun 2012 Location: Arg Posts: 4,913 Member: 1766567 Status: Offline Thanks Meter: 1,788	First try to flash with engineering file with binary file 8 Once in an engineering file, check if you have recovered the Imei. Then flash with a firmware using Serial Number: R28J12P1X1V Once you can recover the Imei, then try to repair it.

09-03-2019, 11:09	#6 (permalink)
Hafiz ArslanAli No Life Poster Join Date: Jul 2008 Location: Sharja UAE Posts: 2,000 Member: 820592 Status: Offline Sonork: 100.1590378 Thanks Meter: 327	in my case... same happen. but after write ENG Modem problem imei comes... but chimera not read Cert