Created
April 28, 2014 08:36
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Heimdall S4 baseband upgrade to install 4.4.2
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| WARNING: You can brick your phone, follow this steps at your risk. | |
| With older basebands 4.4.2 has issues with the network, so a baseband update is required. | |
| If you don't want to touch Windows / Odin for this, this has worked for me, since the vanilly "run" failed to upgrade the baseband file. Basically the trick is, for some obscure reason, to upgrade the baseband two times in a row. | |
| 1) Use Heimdall v1.4.0 | |
| 2) Flast first time with: heimdall flash --MDM modem.bin (Obtained from baseband file modem_XXUFNB8.tar) | |
| 3) When the device reboots, press volume down AGAIN to enter Download/Odin mode again. | |
| 4) Flash again with: heimdall flash --MDM modem.bin --no-reboot | |
| 5) Disconnect the cable | |
| 6) Reboot the phone by long-pressing power button to power-off it, and then power-on it again. | |
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