{"id":13217,"date":"2022-07-21T12:28:00","date_gmt":"2022-07-21T04:28:00","guid":{"rendered":"https:\/\/rewa.tech\/iphone-7-seriously-drop-damage-repair\/"},"modified":"2024-09-02T16:09:16","modified_gmt":"2024-09-02T08:09:16","slug":"iphone-7-serious-drop-damage-repair","status":"publish","type":"post","link":"https:\/\/rewa.tech\/fr\/iphone-7-serious-drop-damage-repair\/","title":{"rendered":"R\u00e9paration des dommages caus\u00e9s par une chute grave sur l'iPhone 7 et r\u00e9tablissement des fonctions"},"content":{"rendered":"<p>When an iPhone 7 is slammed to the ground, the damage can be severe, affecting not only the screen but also internal components. In this guide, we\u2019ll walk through the process of diagnosing and repairing an iPhone 7 serious drop damage, rendering it unable to boot. From addressing display issues to resolving baseband problems, this step-by-step guide will help you restore your iPhone 7 to full working order.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile is-image-fill has-blush-light-purple-gradient-background has-background\"><figure class=\"wp-block-media-text__media\" style=\"background-image:url(https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone7-black-select-2016-866x1024.png);background-position:50% 39%\"><img fetchpriority=\"high\" decoding=\"async\" width=\"866\" height=\"1024\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iphone7-black-select-2016-866x1024.png\" alt=\"iphone 7 black\" class=\"wp-image-15440 size-full\" title=\"\"><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">D\u00e9tails du t\u00e9l\u00e9phone : <\/h3>\n\n\n\n<p><strong>Mod\u00e8le :<\/strong> iPhone 7<\/p>\n\n\n\n<p><strong>Annonc\u00e9 :<\/strong>&nbsp;2016, September 07<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u00e9nom\u00e8ne de d\u00e9faut<\/h2>\n\n\n\n<p>The iPhone 7 was slammed to the ground during an argument, resulting in a shattered screen and the inability to boot.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Troubleshooting to Repair iPhone 7 Drop Damage<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1 : Inspection initiale<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/01__Separate_the_screen_and_check.png\" alt=\"r\u00e9paration d&#039;iphone\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/02__Take_out_the_motherboard_to_have_a_check.png\" alt=\"iphone 7 motherboard\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Disassemble the phone and carefully remove the motherboard for inspection.<\/li>\n\n\n\n<li>The motherboard appears to be in good condition with no visible deformation or missing components.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2: Screen Replacement and Testing<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/04__Let_lsquo_s_replace_another_screen_and_try_to_boot.png\" alt=\"iphone 7 shattered screen\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/05__The_boot_current_is_normal.png\" alt=\"test iphone 7 boot current\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/06___The_screen_does_not_display.png\" alt=\"iphone 7 screen repair\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Replace the shattered screen with a new one and attempt to boot the phone.<\/li>\n\n\n\n<li>The boot current is normal, but the screen remains blank, indicating a possible issue with the display circuit.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3: Diagnosing the Display Circuit:<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/07__Abnormal_diode_value.png\" alt=\"iphone 7 circuit\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/08__Diode_value_is_OL.png\" alt=\"abnormal diode value\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/09__L3902_with_problem.png\" alt=\"l3902 connentor\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Measure the diode values on the display connector. One pin shows an abnormal diode value of OL (open loop).<\/li>\n\n\n\n<li>According to the <a href=\"https:\/\/www.refoxteam.com\/download-bitmap\" target=\"_blank\" rel=\"noopener\">bitmap<\/a>, this pin is connected to L3902, indicating a problem with the combined inductor.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4: Repairing the Inductor<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/10__Lets_remove_the_black_glue_on_the_surface_first.png\" alt=\"remove iphone 7 black glue\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/11__measure_diode_value_on_the_inductor.png\" alt=\"remove iphone 7 black glue\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/11__Diode_value_is_512.png\" alt=\"digital multimeter for phone repair\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Remove the black glue on the surface of the inductor.<\/li>\n\n\n\n<li>After removal, the diode value on the inductor pin is 512, confirming that the inner rail is broken.<\/li>\n\n\n\n<li>Instead of replacing the inductor, which could cause soldering issues due to the number of connectors, jump a <a href=\"https:\/\/shop.rewa.tech\/detail\/alloy-steel-wire-controller-sets.html\">copper wire<\/a> to repair the connection.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5: Completing the Display Repair<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/13__Cure_with_UV_light.png\" alt=\"jump a wire\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/12__Jump_a_wire_to_repair.png\" alt=\"jump a wire\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Use the red-circled points to jump a wire, reconnecting the display signal (90_MIPI_AP_TO_LCM_DATA0_P).<\/li>\n\n\n\n<li>Apply a UV mask and cure it with <a href=\"https:\/\/shop.rewa.tech\/detail\/refox-rm26-uv-curing-box.html\">UV light<\/a> to secure the connection.<\/li>\n\n\n\n<li>Reassemble the phone and test it again. The phone now boots normally, and the display functions properly.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Addressing the Baseband Issue<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1: Identifying the Problem<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/14__But_we_find_a_new_problem.png\" alt=\"iphone 7 no internet\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>After the initial repair, the phone boots, but there is no service, which is a common issue in iPhone 7s after serious drops. This typically points to damage in the Baseband PMU or Baseband CPU.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2: Repairing the Baseband PMU<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/15__Remove_the_protective_sticker.png\" alt=\"remove iphone 7 protective sticker\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/16__Remove_the_baseband_PMU_directly.png\" alt=\"access iphone 7 baseband pmu chip\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/17__Use_the_soldering_tin_ball_to_get_the_broken_wire_connected_directly.png\" alt=\"appliquer la p\u00e2te \u00e0 braser\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/18__Then_solder_back_the_Baseband_PMU_chip.png\" alt=\"baseband pmu chip\" title=\"\"><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Remove the protective sticker to access the Baseband PMU chip.<\/li>\n\n\n\n<li>Appliquer <a href=\"https:\/\/shop.rewa.tech\/detail\/lead-free-solder-paste-maant-oem-new.html\">p\u00e2te \u00e0 souder<\/a> et utiliser un <a href=\"https:\/\/shop.rewa.tech\/detail\/sugon-2020d-hot-air-gun.html\">pistolet \u00e0 air chaud<\/a> to carefully remove the chip.<\/li>\n\n\n\n<li>Reconnect the broken wire using a soldering tin ball and resolder the Baseband PMU chip in place.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3: Final Testing<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/iPhone_7_Seriously_Drop_Damage_Repair.png\" alt=\"iPhone 7 Serious Drop Damage Repair\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Clean the motherboard with PCB cleaner to ensure all components are properly soldered and free of debris.<\/li>\n\n\n\n<li>Reassemble the phone and test it again. This time, the phone successfully recognizes the SIM card, and the \u201cNo Service\u201d issue is resolved.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion :<\/h2>\n\n\n\n<p>Repairing an iPhone 7 serious <a href=\"https:\/\/rewa.tech\/fr\/iphone-13-pro-pas-decran\/\" data-type=\"post\" data-id=\"13169\">dommages dus \u00e0 la chute<\/a> is a multi-step process that requires careful diagnosis and precision. By addressing both the display circuit and the baseband issues, you can restore full functionality to your device. If you encounter similar issues, follow these steps to effectively repair and revive your iPhone 7. For more detailed repair tutorials, visit REWA Academy and enhance your technical skills.<\/p>","protected":false},"excerpt":{"rendered":"<p>When an iPhone 7 is slammed to the ground, the damage can be severe, affecting not only the screen but also internal components. In this guide, we\u2019ll walk through the process of diagnosing and repairing an iPhone 7 serious drop damage, rendering it unable to boot. From addressing display issues to resolving baseband problems, this [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":13218,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[158,5,13,447],"tags":[1447,21,387],"class_list":["post-13217","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iphone-guide","category-guide","category-how-to","category-troubleshooting","tag-drop-damage","tag-iphone","tag-iphone-7"],"_links":{"self":[{"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/posts\/13217","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/comments?post=13217"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/posts\/13217\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/media\/13218"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/media?parent=13217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/categories?post=13217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/fr\/wp-json\/wp\/v2\/tags?post=13217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}