Boardcom BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01) is not working on Ubuntu 18.04

lspci -vvnn | grep -A 9 Network      08:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)     Subsystem: Broadcom Inc. and subsidiaries BCM4313 802.11bgn Wireless Network Adapter [14e4:051b]     Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-     Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-     Latency: 0, Cache Line Size: 64 bytes     Interrupt: pin A routed to IRQ 17     Region 0: Memory at e0400000 (64-bit, non-prefetchable) [size=16K]     Capabilities: <access denied>     Kernel driver in use: wl     Kernel modules: bcma, wl  iwconfig  lo        no wireless extensions.  enp7s0    no wireless extensions.  wlp8s0    IEEE 802.11  ESSID:off/any             Mode:Managed  Access Point: Not-Associated              Retry short limit:7   RTS thr:off   Fragment thr:off           Power Management:off 

I almost tried everything i saw about it but it still same. I am using Lenovo G570. HELP ME..