Most Type 0x96 packets will end with a Checksum.
Add assertion: assert(packet.length == actual_payload_length) in sender.
The error message (also documented as error code SW2274 ) is a specific failure that occurs during the process of flashing firmware to mobile devices, typically those using Spreadtrum (SPD) chipsets . It indicates that the flashing tool encountered a response from the device that does not match the expected format for packet type 0x96 , preventing the software from proceeding with the firmware update. Potential Causes the data packet with type-0x96- returned was misformatted
Below is a full technical report on diagnosing a "Misformatted" error for Packet Type 0x96.
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Look at the bytes immediately preceding or following 0x96 .
The error doesn't occur in a vacuum. For this message to appear, a typical stack might look like: It indicates that the flashing tool encountered a
Verify that the Serial.begin() rate in your code matches the settings in your Serial Monitor or interface software. 3. Faulty Cables or Electrical Interference
: A low-quality USB cable, a damaged USB port, or insufficient power (low battery) can cause packet corruption during transmission. Corrupted Data (NVRAM)
: Instead of a full flash, try flashing one item at a time while keeping the FDL 1 and 2 files constant.
Alternatively, make sure that is checked. Disabling repartition checks causes structural array errors when structural changes exist between firmware formats. Feature Mode Repartition Enabled