After manually update my D5833 phone to MM from LP, using stock rom and flashtool my W-FI start to disconnect many times, is boring but when this occurs I simply restart phone and everything back to normal. The worse problem start yesterday when I use Ultra Stamina mode, the WI-FI no longer works even after restart.
I already read many topics on this and other forums but can't find a solution. When I enable/disable airplane mode WI-FI works for few seconds, also I can confirm the WI-FI is working since I receive many WhatsApp messages in this time but the connection drops, all networks simply vanish and phone keep looking for networks without a result.
I already try:
verify MAC address (seems to be ok);
reset network configuration;
use legacy DHCP on developer mode;
root using russel5 method;
add a WCNSS_qcom_cfg.ini file to "etc/firmware/wlan" folder;
change files or delete "/persist/wifi" folder (can't find that folder);
update to latest stock FW 391 from 375;
wipe data with TWRP and from system;
install Slimm Rom 3.1
None of those solutions helps. The only thing I not try yet is revert to LP rom.
Any suggestions?
I already read many topics on this and other forums but can't find a solution. When I enable/disable airplane mode WI-FI works for few seconds, also I can confirm the WI-FI is working since I receive many WhatsApp messages in this time but the connection drops, all networks simply vanish and phone keep looking for networks without a result.
I already try:
verify MAC address (seems to be ok);
reset network configuration;
use legacy DHCP on developer mode;
root using russel5 method;
add a WCNSS_qcom_cfg.ini file to "etc/firmware/wlan" folder;
change files or delete "/persist/wifi" folder (can't find that folder);
update to latest stock FW 391 from 375;
wipe data with TWRP and from system;
install Slimm Rom 3.1
None of those solutions helps. The only thing I not try yet is revert to LP rom.
Any suggestions?
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