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How does one downgrade a P3A from 1.3.20 to 1.1.9?
I have both FW versions (bin files) from when I downloaded them.
The P3A worked a little bit this morning while flying, but 10 minutes into flight it stopped recording images. The screen did not go black, but the camera parameters all went to "N/A"
I've sent the P3P back for a refund and am now trying to get the P3A I bought direct from DJI to work.
Am unable to locate instructions for downgrading to 1.1.9.
Here is contents of log file from latest attempt (I formatted card in P3A, copied bin file to card, booted P3A and let it sit for 40 minutes.
[00011963]========== remo-con disconnect. boot(15) ============
[00012005]Packet [C:\P3S_FW_V01.01.0009.bin] detected, card sn [0x28a78402].
[00012047]Packet upgrade start...
[00012104]Packet checking...
[00012142]Packet vlink 01.01.0000 <-> 01.01.0000.
[00012185]Record vlink 01.03.0020 <-> 01.01.0009 (flow = 1).
[00012228]Done.
[00012271]Version checking[1]...
[00012346][03 05][00] v34.2.0.9 -> v34.2.0.8
[00012420][03 06][00] v2.2.6.19 -> v2.1.6.18
[00012470][04 00][00] v1.40.0.0 -> v1.36.0.0 need upgrade.
[00012527][09 00][00] v1.7.0.3 -> v1.7.0.3
[00012643][11 00][00] v1.6.1.0 -> v1.6.0.0
[00012745][12 00][00] v1.8.0.0 -> v1.8.0.0
[00012843][12 01][00] v1.8.0.0 -> v1.8.0.0
[00012928][12 02][00] v1.8.0.0 -> v1.8.0.0
[00013014][12 03][00] v1.8.0.0 -> v1.8.0.0
[00013064][15 00][00] v1.1.2.0 -> v1.1.2.0
[00013150][17 00][00] v1.1.1.7 -> v1.1.1.2 need upgrade.
[00013289][17 01][00] v1.0.2.7 -> v1.0.2.4 need upgrade.
[00013364][19 00][00] v1.0.8.96 -> v1.0.8.59
[00013406][01 00][00] v1.20.3419 -> v1.7.2735 need upgrade
[00013544][01 01][00] v1.20.3419 -> v1.7.2735 need upgrade
[00013587]Done.
[00015631]Waiting for user confirm...
[00025672]Timeout, start upgrade automatically.
[00025774]Firmware upgrading[1]...
[00025917][01 01] Firmware upgrade start...
[00056158][01 01] Firmware upgrade finished successfully.
[00056221][17 00] Firmware upgrade start...
[00262776][17 00] Firmware upgrade finish failed (step = 4, err = 0xaa, idx = 206, los = 111, ng = 0).
[00292825][17 01] Firmware upgrade start...
[00393779][17 01] Firmware upgrade finish failed (step = 4, err = 0xaa, idx = 76, los = 56, ng = 0).
[00423841][04 00] Firmware upgrade start...
[00478175][04 00] Firmware upgrade finished successfully.
[00478217]Done.
[00478262]Version checking[2]...
[00478393][03 05][00] v34.2.0.9 -> v34.2.0.8
[00478492][03 06][00] v2.2.6.19 -> v2.1.6.18
[00478547][04 00][05] v1.36.0.0 -> v1.36.0.0
[00478611][09 00][00] v1.7.0.3 -> v1.7.0.3
[00478776][11 00][00] v1.6.1.0 -> v1.6.0.0
[00478926][12 00][00] v1.8.0.0 -> v1.8.0.0
[00479047][12 01][00] v1.8.0.0 -> v1.8.0.0
[00479162][12 02][00] v1.8.0.0 -> v1.8.0.0
[00479282][12 03][00] v1.8.0.0 -> v1.8.0.0
[00479332][15 00][00] v1.1.2.0 -> v1.1.2.0
[00479467][17 00][00] v0.0.0.0 -> v1.1.1.2 need upgrade.
[00479587][17 01][00] v0.0.0.0 -> v1.0.2.4 need upgrade.
[00479653][19 00][00] v1.0.8.96 -> v1.0.8.59
[00479697][01 00][00] v1.20.3419 -> v1.7.2735 need upgrade
[00479763][01 01][05] v1.7.2735 -> v1.7.2735
[00479807]Done.
[00479850]Firmware upgrading[2]...
[00479915][17 00] Firmware upgrade start...
[00639853][17 00] Firmware upgrade finish failed (step = 4, err = 0xaa, idx = 184, los = 82, ng = 0).
[00669902][17 01] Firmware upgrade start...
[00739032][17 01] Firmware upgrade finished successfully.
[00739074]Done.
[00739120]Version checking[3]...
[00739212][03 05][00] v34.2.0.9 -> v34.2.0.8
[00739308][03 06][00] v2.2.6.19 -> v2.1.6.18
[00739365][04 00][05] v1.36.0.0 -> v1.36.0.0
[00739508][09 00][00] v1.7.0.3 -> v1.7.0.3
[00739652][11 00][00] v1.6.1.0 -> v1.6.0.0
[00739742][12 00][00] v1.8.0.0 -> v1.8.0.0
[00739842][12 01][00] v1.8.0.0 -> v1.8.0.0
[00739942][12 02][00] v1.8.0.0 -> v1.8.0.0
[00740042][12 03][00] v1.8.0.0 -> v1.8.0.0
[00740093][15 00][00] v1.1.2.0 -> v1.1.2.0
[00740203][17 00][00] v0.0.0.0 -> v1.1.1.2 need upgrade.
[00740303][17 01][00] v0.0.0.0 -> v1.0.2.4 need upgrade.
[00740368][19 00][00] v1.0.8.96 -> v1.0.8.59
[00740413][01 00][00] v1.20.3419 -> v1.7.2735 need upgrade
[00740460][01 01][05] v1.7.2735 -> v1.7.2735
[00740503]Done.
[00740549]Firmware upgrading[3]...
[00740619][17 00] Firmware upgrade start...
[00909889][17 00] Firmware upgrade finish failed (step = 4, err = 0xaa, idx = 224, los = 89, ng = 0).
[00939939][17 01] Firmware upgrade start...
[01058437][17 01] Firmware upgrade finished successfully.
[01058481]Done.
[01058521]Version checking[4]...
[01058617][03 05][00] v34.2.0.9 -> v34.2.0.8
[01058716][03 06][00] v2.2.6.19 -> v2.1.6.18
[01058792][04 00][05] v1.36.0.0 -> v1.36.0.0
[01058866][09 00][00] v1.7.0.3 -> v1.7.0.3
[01059016][11 00][00] v1.6.1.0 -> v1.6.0.0
[01059148][12 00][00] v1.8.0.0 -> v1.8.0.0
[01059266][12 01][00] v1.8.0.0 -> v1.8.0.0
[01059392][12 02][00] v1.8.0.0 -> v1.8.0.0
[01059526][12 03][00] v1.8.0.0 -> v1.8.0.0
[01059577][15 00][00] v1.1.2.0 -> v1.1.2.0
[01059707][17 00][00] v0.0.0.0 -> v1.1.1.2 need upgrade.
[01062348][17 01][00] v0.0.0.0 -> v1.0.2.4 need upgrade.
[01062408][19 00][00] v1.0.8.96 -> v1.0.8.59
[01062454][01 00][00] v1.20.3419 -> v1.7.2735 need upgrade
[01062498][01 01][05] v1.7.2735 -> v1.7.2735
[01062547]Done.
[01062591]Firmware upgrading[4]...
[01062658][17 00] Firmware upgrade start...
[01276689][17 00] Firmware upgrade finish failed (step = 4, err = 0xaa, idx = 281, los = 105, ng = 0).
[01306740][17 01] Firmware upgrade start...
[01379927][17 01] Firmware upgrade finish failed (step = 4, err = 0xaa, idx = 73, los = 36, ng = 0).
[01409970]Done.
[01410106]Version checking[5]...
[01410238][03 05][00] v34.2.0.9 -> v34.2.0.8
[01410358][03 06][00] v2.2.6.19 -> v2.1.6.18
[01410408][04 00][05] v1.36.0.0 -> v1.36.0.0
[01410467][09 00][00] v1.7.0.3 -> v1.7.0.3
[01410618][11 00][00] v1.6.1.0 -> v1.6.0.0
[01410750][12 00][00] v1.8.0.0 -> v1.8.0.0
[01410872][12 01][00] v1.8.0.0 -> v1.8.0.0
[01410997][12 02][00] v1.8.0.0 -> v1.8.0.0
[01411128][12 03][00] v1.8.0.0 -> v1.8.0.0
[01411175][15 00][00] v1.1.2.0 -> v1.1.2.0
[01411308][17 00][00] v0.0.0.0 -> v1.1.1.2 need upgrade.
[01411448][17 01][00] v0.0.0.0 -> v1.0.2.4 need upgrade.
[01411508][19 00][00] v1.0.8.96 -> v1.0.8.59
[01411557][01 00][00] v1.20.3419 -> v1.7.2735 need upgrade
[01411602][01 01][05] v1.7.2735 -> v1.7.2735
[01411647]Done.
[01411695]Firmware upgrading[5]...
[01411777][17 00] Firmware upgrade start...
[01568581][17 00] Firmware upgrade finish failed (step = 4, err = 0xaa, idx = 190, los = 71, ng = 0).
[01598632][17 01] Firmware upgrade start...
Thanks for any ideas you all may have.
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