OBDSTAR update Toyota H G chip all keys lost via OBD without problems

OBDSTAR overseas engineers tested some Toyota cars with the H chip (American type and Middle East) all keys lost, works great in less 3 minutes, really fast. The tested machines are obdstar X300 Pro3 and X300 DP, very great tool. BTW, not long ago, Toyota G chip all keys lost was already updated.


Attach OBDSTAR X300 DP program Toyota G chip All Keys Lost via OBD2


OBDSTAR X300 Pro3 and X300 DP program Toyota H chip All Keys Lost via OBD2


If you have any of OBDSTAR X300 Pro3 or OBDSTAR X300DP, just update it to enjoy the new update.


Part 1: OBDSTAR X300 DP update instruction

Step1. Connect WIFI as follows
obdstar x300 dp update-01

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Step 2. Begin to update your device

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The update will be finished once all the vehicles have been 100% updated.

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Part 2: OBDSTAR X300 Pro3 Update instruction

Step 1:


  1. Remove the TF card from your device.
  2. Insert your TF card into computer.
  3. Format your TF card and ensure it is empty.

Step 2:

Login our website: http://member.obdstar.com/MemberEn/Register.html and click “A Key upgrade”

x300 update-01

Step 3:

Download and install the “One Key upgrade”. You will see this software.

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Step 4:

Open the “one key upgrade”. Input your username and password. Then select “End User” and click “Log in”.

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Step 5:

Input your S/N.

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Step 6:

Select all and click “Upgrade”.

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Step 7:

Upgrade completed.

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Step 8:

Open your TF card. You will see these files.

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Step 9:

Remove the TF card from the computer. Insert your TF card into the device.

OBDSTAR X300 Pro3 and OBDSTAR X300DP update Toyota H chip succeeds!