{"id":2590,"date":"2025-04-13T14:19:30","date_gmt":"2025-04-13T12:19:30","guid":{"rendered":"https:\/\/labalec.fr\/erwan\/?p=2590"},"modified":"2025-04-13T14:19:31","modified_gmt":"2025-04-13T12:19:31","slug":"galaxy-tab-a8-refresh-part-3","status":"publish","type":"post","link":"https:\/\/labalec.fr\/erwan\/?p=2590","title":{"rendered":"Galaxy tab a8 refresh, part 3"},"content":{"rendered":"\n<p>Despite latest tuning (see previous article), the battery drain was still there, less severe, but still..<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>There I decided to root the tablet and install <a href=\"https:\/\/github.com\/topjohnwu\/Magisk\/releases\" data-type=\"link\" data-id=\"https:\/\/github.com\/topjohnwu\/Magisk\/releases\" target=\"_blank\" rel=\"noreferrer noopener\">magisk<\/a>.<\/p>\n\n\n\n<p>Download the APK, copy\/paste it and rename it to zip and flash it with twrp.<\/p>\n\n\n\n<p>Reboot and install the apk.<\/p>\n\n\n\n<p>Launch the app and let it update the tablet and reboot.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Then install <a href=\"https:\/\/github.com\/DethByte64\/Xtreme-Battery-Saver\" target=\"_blank\" rel=\"noreferrer noopener\">xtrem-battery-saver<\/a> in magisk as a module.<\/p>\n\n\n\n<p>Here below my config.<\/p>\n\n\n\n<p>While on low power mode, we are changing the CPU governors to powersave (android should do that while on power saving mode but just to be sure&#8230;).<\/p>\n\n\n\n<p>While on screen off, we are disabling cpu2 to 7 and setting cpu governors to powersave on cpu0 to 1. Also we setting lower priority on google play services. Last  but not least, we are forcing doze mode to light.<\/p>\n\n\n\n<p>This rather aggressive config paid off : i can spend a whole day on screen off without losing any battery power.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>version=2\ndelay=3\nlog_file=\/sdcard\/XtremeBS.log\nlog_level=1\n\nscreen_off={\nhandle_cores=cpu0 cpu1\ndisable_cores=cpu2 cpu3 cpu4 cpu5 cpu6 cpu7\nhandle_gms=nice\nkill_wifi=true\nkeep_on_charge=true\ndoze=light\n}\n\nlow_power={\nkeep_on_charge=true\nhandle_cores=auto\ndisable_cores=false\nhandle_apps=false\nallowlist=\/data\/local\/tmp\/XtremeBS\/apps.allow\ndenylist=\/data\/local\/tmp\/XtremeBS\/apps.deny\nhandle_gms=false\nhandle_proc=false\nproc_file=\/data\/local\/tmp\/XtremeBS\/proc.list\nlow_ram=false\ndoze=false\nkill_wifi=false\n}\n\ncharging={\n}\n\nmanual={\n}\n\nboot={\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Despite latest tuning (see previous article), the battery drain was still there, less severe, but still.. There I decided to root the tablet and install magisk. Download the APK, copy\/paste it and rename it to zip and flash it with twrp. Reboot and install the apk. Launch the app and let it update the tablet <a href='https:\/\/labalec.fr\/erwan\/?p=2590' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[144],"tags":[],"class_list":["post-2590","post","type-post","status-publish","format-standard","hentry","category-android","category-144-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/posts\/2590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2590"}],"version-history":[{"count":1,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/posts\/2590\/revisions"}],"predecessor-version":[{"id":2591,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/posts\/2590\/revisions\/2591"}],"wp:attachment":[{"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}