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3.x/4.x device requirements

3.x/4.x device test signature requirement

If you already have a test signature file in the device file system, you can skip this step.

Test signatures for Brew 3.x and 4.x devices are available on to Authenticated Developers.

To generate test signatures for Brew 3.x and 4.x devices

  1. Log into the Brew MP website and click SDK & Tools.
  2. In the left pane under Online Tools, click Test Sig Generator.
Test Signatures are tied to specific hardware IDs from the device. Therefore, you need to provide one of these identifiers to the Test Sig Generator (IMEI, MEID or ESN).