[EVO Shift 4G General] bilgerryan:
Here's some good build.prop tweaks:

ro.max.fling_velocity=15000

ro.min.fling_velocity=10000

ro.HOME_APP_ADJ=1

debug.sf.hw=1

debug.performance.tuning=1

debug.composition.type=gpu

debug.kill_allocating_task=1

debug.egl.hw=1

video.accelerate.hw=1

persist.sys.use_dithering=1

persist.sys.purgeable_assets=1

persist.sys.shutdown.mode=hibernate

pm.sleep_mode=1

ro.ril.disable.power.collapse=0

ro.ril.hep=1

ril.ecclist=911,#911,*911

media.stagefright.enable-player=true

media.stagefright.enable-meta=true

media.stagefright.enable-scan=false

media.stagefright.enable-http=true

ro.mot.eri.losalert.delay=1000

ro.lge.proximity.delay=25

mot.proximity.delay=25

dalvik.vm.execution-mode=int:jit

dalvik.vm.dexopt-data-only=1

ro.compcache.default=0

net.tcp.buffersize.wimax=4096,221184,524288,4096,16384,110208

net.tcp.buffersize.gprs=4094,87380,256960,4096,16384,110208

net.tcp.buffersize.wifi=4096,87380,256960,4096,16384,256960

You can copy and paste them into build.prop with a root browser, save, and reboot

---------- Post added at 06:32 PM ---------- Previous post was at 05:50 PM ----------

Here's some more tweaks you can put in sysctl.conf (or make it if you don't have it):

net.ipv4.tcp_ecn=0

net.ipv4.route.flush = 1

net.ipv4.tcp_rfc1337 = 1

net.ipv4.ip_no_pmtu_disc = 0

net.ipv4.tcp_sack = 1

net.ipv4.tcp_fack = 1

net.ipv4.tcp_window_scaling = 1

net.ipv4.tcp_timestamps = 1

net.ipv4.tcp_rmem = 4096 39000 187000

net.ipv4.tcp_wmem = 4096 39000 187000

net.ipv4.tcp_mem = 187000 187000 187000

net.ipv4.tcp_no_metrics_save = 1

net.ipv4.tcp_moderate_rcvbuf = 1

net.ipv4.conf.all.accept_source_route = 0

net.ipv4.conf.all.accept_redirects = 0

net.ipv4.conf.default.accept_redirects = 0

net.ipv4.conf.all.secure_redirects = 0

net.ipv4.conf.default.secure_redirects = 0

kernel.sched_child_runs_first=0

kernel.sched_rt_period_us=1000000

kernel.sched_rt_runtime_us=950000

kernel.panic=30

kernel.core_uses_pid=0

kernel.core_pattern=core

kernel.core_pipe_limit=0

kernel.tainted=512

kernel.real-root-dev=0

kernel.print-fatal-signals=0

kernel.ctrl-alt-del=0

kernel.ftrace_enabled=1

kernel.ftrace_dump_on_oops=0

kernel.threads-max=10000

kernel.random.poolsize=4096

kernel.random.read_wakeup_threshold=512

kernel.random.write_wakeup_threshold=256

kernel.overflowuid=65534

kernel.overflowgid=65534

kernel.pid_max=32768

kernel.panic_on_oops=1

kernel.dmesg_restrict=0

kernel.kptr_restrict=0

kernel.ngroups_max=65536

kernel.watchdog=1

kernel.watchdog_thresh=10

kernel.softlockup_panic=1

kernel.nmi_watchdog=1

kernel.randomize_va_space=1

kernel.hung_task_panic=0

kernel.hung_task_check_count=32768

kernel.hung_task_timeout_secs=30

kernel.hung_task_warnings=10

kernel.max_lock_depth=0

kernel.keys.maxkeys=200

kernel.keys.maxbytes=20000

kernel.keys.root_maxkeys=200

kernel.keys.root_maxbytes=20000

kernel.keys.gc_delay=300

kernel.perf_event_paranoid=1

kernel.perf_event_mlock_kb=516

kernel.perf_event_max_sample_rate=150000

kernel.blk_iopoll=1

kernel.hostname=localhost

kernel.domainname=localdomain

kernel.shmmax=33554432

kernel.shmall=2097152

kernel.shmmni=4096

kernel.msgmax=8192

kernel.msgmni=1041

kernel.msgmnb=16384

kernel.auto_msgmni=1

vm.min_free_kbytes=4096

vm.panic_on_oom=0

vm.oom_kill_allocating_task=0

vm.vfs_cache_pressure=20

vm.oom_dump_tasks=1

vm.drop_caches=3

vm.max_map_count=65530

vm.block_dump=1

vm.stat_interval=1

vm.mmap_min_addr=204

vm.highmem_is_dirtyable=1

vm.scan_unevictable_pages=0

---------- Post added at 06:59 PM ---------- Previous post was at 06:32 PM ----------

Or here is the sysctl.conf file with the tweaks listed above. Place in system/etc with a root browser, fix permissions, and reboot

http://db.tt/LTFf4Vdi