X210MA flash and downgrade successfull using latest test software.

Welcome to Octoplus/Octopus Box LG Software version 2.8.0.7
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Checking data...OK
Platform: LG Qualcomm
Selected port: COM61
Selected model: X210MA
Reading info...
Model ID: LM-X210MA
IMEI: 352342-09-402449-4
Android version: 7.1.2
Battery level: 100%
SW Version: X210MA10d
Mode: Emergency
Initializing flash...OK
SW version: LMX210MAAT-02-V10d-310-160-FEB-08-2018-ARB00+0
Android version: 7.1.2
LAF Version: 1.1
Product ID: CT66S171222003884
IMEI: 352342-09-402449-4
Target operator: LAO
Hardware: rev_10
Opening "X210MA10c_00_MPCS_US_OP_1207.kdz"...OK
Firmware version: LMX210MAAT-00-V10c-LAO-COM-DEC-07-2017-ARB00+0
Firmware model: LM-X210MA
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Writing phone firmware without real necessity is at your own risk.

Downgrade may lead to phone damage!

Please, make sure the phone's battery is fully charged.
Disconnect all other devices from the computer (including phones, modems, etc.) and close all other running programs.
To avoid errors in the flashing process, use a clean PC (without any installed drivers for other Qualcomm-based devices).
You should not run any other programs or attach new devices to your computer during the flashing!
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Prepairing firmware...OK
Setting options...OK
Reading partitions...OK
Formating USERDATA...OK
Formating ENCRYPT...OK
Sending signature...OK
Writing 1/73 PrimaryGPT_0.bin...OK
Writing 2/73 modem_16384.bin...OK
Writing 3/73 aboot_196608.bin...OK
Writing 4/73 abootbak_200704.bin...OK
Writing 5/73 tz_204800.bin...OK
Writing 6/73 tzbak_208896.bin...OK
Writing 7/73 sbl1_212992.bin...OK
Writing 8/73 sbl1bak_215040.bin...OK
Writing 9/73 rpm_217088.bin...OK
Writing 10/73 rpmbak_218112.bin...OK
Writing 11/73 devcfg_219136.bin...OK
Writing 12/73 devcfgbak_220160.bin...OK
Writing 13/73 cmnlib_221184.bin...OK
Writing 14/73 cmnlibbak_222208.bin...OK
Writing 15/73 cmnlib64_223232.bin...OK
Writing 16/73 cmnlib64bak_224256.bin...OK
Writing 17/73 keymaster_225280.bin...OK
Writing 18/73 keymasterbak_226304.bin...OK
Writing 19/73 dsp_278528.bin...OK
Writing 20/73 sec_397312.bin...OK
Writing 22/73 apdp_402432.bin...OK
Writing 23/73 msadp_403456.bin...OK
Writing 24/73 boot_409600.bin...OK
Writing 25/73 laf_475136.bin...OK
Writing 26/73 lafbak_540672.bin...OK
Writing 27/73 recovery_606208.bin...OK
Writing 28/73 recoverybak_671744.bin...OK
Writing 29/73 factory_737280.bin...OK
Writing 30/73 raw_resources_851968.bin...OK
Writing 31/73 raw_resourcesbak_860160.bin...OK
Writing 32/73 persist_868352.bin...OK
Writing 33/73 system_1064960.bin...OK
Writing 34/73 system_1328904.bin...OK
Writing 35/73 system_1332904.bin...OK
Writing 36/73 system_1593248.bin...OK
Writing 37/73 system_1853192.bin...OK
Writing 38/73 system_1857192.bin...OK
Writing 39/73 system_2117536.bin...OK
Writing 40/73 system_2377480.bin...OK
Writing 41/73 system_2381480.bin...OK
Writing 42/73 system_2641824.bin...OK
Writing 43/73 system_2901768.bin...OK
Writing 44/73 system_2905768.bin...OK
Writing 45/73 system_3166112.bin...OK
Writing 46/73 system_3426056.bin...OK
Writing 47/73 system_3430056.bin...OK
Writing 48/73 system_3690400.bin...OK
Writing 49/73 system_3948544.bin...OK
Writing 50/73 system_3952544.bin...OK
Writing 51/73 system_4210688.bin...OK
Writing 52/73 system_4214688.bin...OK
Writing 53/73 system_4476832.bin...OK
Writing 54/73 system_4738976.bin...OK
Writing 55/73 system_5001120.bin...OK
Writing 56/73 system_5263264.bin...OK
Writing 57/73 system_5525408.bin...OK
Writing 58/73 system_5787552.bin...OK
Writing 59/73 system_6049696.bin...OK
Writing 60/73 system_6311840.bin...OK
Writing 61/73 system_6573984.bin...OK
Writing 62/73 system_6836128.bin...OK
Writing 63/73 system_7098272.bin...OK
Writing 64/73 system_7360416.bin...OK
Writing 65/73 system_7620360.bin...OK
Writing 66/73 system_7624360.bin...OK
Writing 67/73 system_7884704.bin...OK
Writing 68/73 system_8144648.bin...OK
Writing 69/73 system_8147968.bin...OK
Writing 70/73 BackupGPT_20970496.bin...OK
Writing 71/73 0_OP_MPCS_US.img...OK
Writing 72/73 1_OP_MPCS_US.img...OK
Writing 73/73 2_OP_MPCS_US.img...OK
Reading partitions...OK
Formating RCT...OK
Formating MPT...OK
Finalizing...OK
Writing firmware done!
Performed by 2.8.0.7 Software version.

flash and downgrade successful.