[ASK] Working Nougat Firmware for downgrade Oreo ZC553KL

AvotsumAvotsum Level 1

Please tell us some basic information before asking for help:

  1. Model Name: ASUS_X00DDB
  2. Firmware Version: WW-15.0200.1812.503
  3. Rooted or not: NOT
  4. Frequency of Occurrence: ALWAYS
  5. APP Name & APP Version (If your issue relates to the app): -

In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.

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Just tell me how to downgrade ZC553KL Oreo to Nougat. I did try some nougat firmwares listed on support site :


- UL-ASUS_X00DD-WW-14.0200.1705.202-user.zip

- UL-ASUS_X00DD-WW-14.0200.1710.336-user.zip

- UL-ASUS_X00DD-WW-14.0200.1806.355-user.zip


None of them working, wasting alot of time to download those useless firmwares.

So tell me which one is working. Thanks

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