ttorrent pro is not supporting STAMINA MODE in Sony Xperia Z5 Premium Dual Sim E6883

ttorrent pro is not supporting STAMINA MODE in Sony Xperia Z5 Premium Dual Sim E6883
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~~»consuming alot of Battery
Settings > Power Management >
STAMINA MODE

Please make it less battery consumption with more downloading speed just like olden day

→Handset Make/Model -:Sony Xperia Z5 Premium Dual Sim (E6883)
→ NON-ROOTED
→ Android OS Version -: 5.1.1 (05 October 2015)
→ Operator, APN & Type -: Aircel GPRS,aircelgprs (2G)
→ Country -: India
→ Platform-: Android
→ The bug is-: Always