[Galaxy S 4 i9505 Original Android Development] slaff2:
> make your device faster.

The device seems faster but there is no WIFI. I cannot even turn WIFI on. Logcat prints the following:

1-27 13:46:29.195 725 934 E SupplicantStaIfaceHal: Failed to create ISupplicantIface 1
01-27 13:46:29.196 725 934 E SupplicantStaIfaceHal: setupIface got null iface
01-27 13:46:29.197 725 934 E WifiNative: Failed to setup iface in supplicant on Iface:{Name=wlan0,Id=21,Type=STA_SCAN}
01-27 13:46:29.202 396 396 I WifiHAL : wifi_virtual_interface_delete: wlan0 is static iface, skip delete
01-27 13:46:29.202 396 396 I android.hardware.wifi@1.0-service.legacy: Adding interface handle for wlan0
01-27 13:46:29.202 396 396 I android.hardware.wifi@1.0-service.legacy: Adding interface handle for p2p0
01-27 13:46:29.202 396 396 W android.hardware.wifi@1.0-service.legacy: No active wlan interfaces in use! Using default
01-27 13:46:29.204 485 485 I wificond: Unsubscribe scan result for interface with index: 5
01-27 13:46:29.228 0 0 W : wl_android_wifi_off in
01-27 13:46:29.230 0 0 W : wifi_platform_set_power = 0
01-27 13:46:29.230 0 0 W : ####ignore lock release, cookie mismatch: WiFi owner ����
01-27 13:46:29.230 0 0 W : check BCM4335, check_bcm4335_rev
01-27 13:46:29.230 0 0 W : /data/.rev file open error
01-27 13:46:29.230 0 0 I : ------------------------------------------------
01-27 13:46:29.230 0 0 I : ------------------------------------------------
01-27 13:46:29.230 0 0 I brcm_wlan_power Enter: power off
01-27 13:46:29.230 0 0 I barcode_emul_ice4: ice_gpiox_set : num = 3 , val = 0
01-27 13:46:29.442 355 382 E TrafficController: Failed to add iface wlan0(5): Function not implemented
01-27 13:46:29.445 485 485 I wificond: tearDownClientInterface: erasing wiphy_index for iface_name wlan0
01-27 13:46:29.446 485 485 I wificond: remove channel type 0 support at wiphy index 0
01-27 13:46:29.446 485 485 I wificond: remove channel type 1 support at wiphy index 0
01-27 13:46:29.452 1052 1052 D wpa_supplicant: RTM_NEWLINK: ifi_index=5 ifname=wlan0 operstate=2 linkmode=0 ifi_family=0 ifi_flags=0x1002 ()
01-27 13:46:29.457 725 816 I EthernetTracker: interfaceLinkStateChanged, iface: wlan0, up: false
01-27 13:46:29.464 725 934 D WifiNl80211Manager: tearing down interfaces in wificond
01-27 13:46:29.469 396 396 I WifiHAL : found interface wlan0
01-27 13:46:29.469 396 396 E WifiHAL : Calling hal cleanup
01-27 13:46:29.469 396 396 E WifiHAL : Cancel: Stop Hal
01-27 13:46:29.470 396 396 E WifiHAL : Failed to register set hal start response; result = -95
01-27 13:46:29.470 396 396 I WifiHAL : Failed to remove command 2: 0x0
01-27 13:46:29.470 396 396 I WifiHAL : wifi nan internal clean up done
01-27 13:46:29.470 396 396 I WifiHAL : wifi twt internal clean up done
01-27 13:46:29.470 396 396 I WifiHAL : event_cb callbacks left: 0
01-27 13:46:29.470 396 396 I WifiHAL : Check bad commands: num_cmd:0 bad_commands:0
01-27 13:46:29.470 396 396 E WifiHAL : wifi_clean_up done
01-27 13:46:29.470 396 7604 I WifiHAL : Got a signal to exit!!!
01-27 13:46:29.470 396 7604 I WifiHAL : internal clean up
01-27 13:46:29.470 396 7604 I WifiHAL : cmd_sock non null. clean up
01-27 13:46:29.471 396 7604 I WifiHAL : cleanup_handler cb
01-27 13:46:29.471 396 7604 I android.hardware.wifi@1.0-service.legacy: Legacy HAL stop complete callback received
01-27 13:46:29.471 396 7604 I WifiHAL : Internal cleanup completed
01-27 13:46:29.472 396 7604 E WifiHAL : Exit wifi_event_loop
01-27 13:46:29.474 396 396 I android.hardware.wifi@1.0-service.legacy: Wifi HAL stopped
01-27 13:46:29.477 725 934 I WifiVendorHal: Vendor Hal stopped
01-27 13:46:29.477 725 934 D WifiClientModeManager[wlan0]: STA iface wlan0 was destroyed, stopping client mode
01-27 13:46:29.477 725 934 W WifiClientModeManager[wlan0]: Received mWifiNativeInterfaceCallback.onDestroyed callback when no ClientModeImpl instance is active.
01-27 13:46:29.478 725 934 I WifiNative: Successfully torn down Iface:{Name=wlan0,Id=21,Type=STA_SCAN}
01-27 13:46:29.478 725 934 I WifiNative: Successfully initiated teardown for iface=wlan0
01-27 13:46:29.479 725 934 E WifiActiveModeWarden: ClientModeManager start failed!ConcreteClientModeManager{id=320104 iface=wlan0 role=null}
01-27 13:46:29.480 725 725 D WifiP2pService: Wifi enabled=false
01-27 13:46:29.480 725 938 I WifiScanningService: Received a request to disable scanning, UID = 1000
01-27 13:46:29.480 725 938 I WifiScanningService: wifi driver unloaded
01-27 13:46:29.481 725 934 D WifiScanRequestProxy: Sending scan available broadcast: false
01-27 13:46:29.488 725 934 I WifiScanRequestProxy: Scanning is disabled
01-27 13:46:29.497 725 934 E WifiClientModeManager[wlan0]: interface destroyed - client mode stopping
01-27 13:46:29.502 725 934 I WifiClientModeManager[unknown]: StartedState#exit(), setting mRole = null
01-27 13:46:29.504 725 934 D WifiScanRequestProxy: Sending scan available broadcast: false
01-27 13:46:29.504 725 938 I WifiScanningService: Received a request to disable scanning, UID = 1000
01-27 13:46:29.505 725 938 I WifiScanningService: wifi driver unloaded
01-27 13:46:29.505 725 934 I WifiScanRequestProxy: Scanning is disabled
01-27 13:46:29.509 725 934 D WifiController: STA disabled, return to DisabledState.
01-27 13:46:29.509 725 934 D WifiController: EnabledState.exit()
01-27 13:46:29.510 725 934 D WifiController: DisabledState.enter()
01-27 13:46:29.513 725 3143 W ScanResultUtil: Empty or null ScanResult list
01-27 13:46:29.514 725 3143 W WifiService: Attempt to retrieve WifiConfiguration with invalid scanResult List
01-27 13:46:29.515 725 4702 W ScanResultUtil: Empty or null ScanResult list