{"id":13225,"date":"2022-07-23T21:28:00","date_gmt":"2022-07-23T13:28:00","guid":{"rendered":"https:\/\/rewa.tech\/huawei-mate-x2-charge-to-smoke-and-cannot-boot-repair\/"},"modified":"2024-08-29T12:24:01","modified_gmt":"2024-08-29T04:24:01","slug":"huawei-mate-x2-charge-to-smoke-and-cannot-boot-issue","status":"publish","type":"post","link":"https:\/\/rewa.tech\/it\/huawei-mate-x2-charge-to-smoke-and-cannot-boot-issue\/","title":{"rendered":"Come riparare il problema di Huawei Mate X2 Charge to Smoke e Cannot Boot"},"content":{"rendered":"<p>The Huawei Mate X2 is a cutting-edge foldable smartphone with an innovative design that pushes mobile technology to new heights. Due to a charging incident, the phone smoked, leaked current, and had a black screen, rendering it unusable. In this article, you will learn how to fix a damaged motherboard on a HUAWEI Mate X2 due to improper charging. This guide provides valuable insight into the repair process, regardless of whether you are a technician or a DIY enthusiast.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"657\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/huawei-mate-x2-kv_2x-1024x657.jpg\" alt=\"huawei mate x2\" class=\"wp-image-15496 size-full\" title=\"\" srcset=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/huawei-mate-x2-kv_2x-1024x657.jpg 1024w, https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/huawei-mate-x2-kv_2x-300x193.jpg 300w, https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/huawei-mate-x2-kv_2x-768x493.jpg 768w, https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/huawei-mate-x2-kv_2x.jpg 1399w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Dettagli telefonici:<\/h3>\n\n\n\n<p><strong>Modello:<\/strong> HUAWEI Mate X2<\/p>\n\n\n\n<p><strong>Annunciato:<\/strong>&nbsp;2021, 22 febbraio<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Fenomeno dei difetti:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The phone emitted smoke during charging and subsequently failed to charge.<\/li>\n\n\n\n<li>The screen turned black, and the phone could no longer be powered on.<\/li>\n\n\n\n<li>A diagnosis at a repair shop indicated motherboard damage, with a 10mA current leakage on the battery (BATT), preventing the phone from booting.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Risoluzione dei problemi<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1: Initial Check:<\/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__Boot_with_DC_power_supply_machine.png\" alt=\"connect huawei mate x2 with dc power supply\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/02__The_DC_power_supply_machine.png\" alt=\"alimentazione in corrente continua\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/HUAWEI_Mate_X2_Charge_to_Smoke.png\" alt=\"alimentazione in corrente continua\" 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>The phone was disassembled, revealing a motherboard that appeared new and had not been previously repaired.<\/li>\n\n\n\n<li>Connecting the motherboard to a <a href=\"https:\/\/shop.rewa.tech\/detail\/sugon-3005pm-dc-power-supply.html\">Alimentazione in c.c.<\/a> revealed a 10mA current leakage.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2: Boot Attempt:<\/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\/03__Screen_turned_black_again.png\" alt=\"huawei mate x2 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>The phone was assembled and an attempt to boot was made.<\/li>\n\n\n\n<li>The HUAWEI logo appeared briefly, then the screen went black again.<\/li>\n\n\n\n<li>Suspecting a battery detection issue, the battery was activated and tested again, but the phone still couldn\u2019t boot.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2: Thermal Imaging<\/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\/04__The_heat_components.png\" alt=\"mobile repair thermal image\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/05__Little_hole.png\" alt=\"huawei mate x2 motherboard\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/06__Normal_yangzi.png\" alt=\"huawei mate x2 under the microscope\" 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>The DC power supply showed current leakage, so a thermal imager was used to identify the overheated component.<\/li>\n\n\n\n<li>A small hole was discovered around the display connector under a microscope, indicating potential rail damage beneath the surface.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<p><em>Even though it&#8217;s only a very tiny hole,\u00a0<strong>it&#8217;s a serious problem,<\/strong>\u00a0as the underlying layers with many rails are broken.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Processo di riparazione<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1: Damage Assessment:<\/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\/07__Remove_the_connector.png\" alt=\"huawei mate x2 pcb\" 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>The connector was removed to assess the extent of the damage.<\/li>\n\n\n\n<li>The small hole revealed deeper damage than initially expected, with multiple PCB layers likely affected.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2: Repairing Broken Rails<\/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\/08__Scratch_out_the_rails.png\" alt=\"huawei mate x2 scratched pcb\" 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>The surrounding shielding covers were removed to access the damaged area.<\/li>\n\n\n\n<li>The PCB layers were carefully scratched away using a blade knife to expose the broken rails.<\/li>\n\n\n\n<li>Around 3-4 layers of rails were found to be broken.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3: Jumping Wires<\/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__The_gnd_rails.png\" alt=\"huawei mate x2 repair\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/11__jpwirs.png\" alt=\"huawei mate x2 repair\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/12__Keep_jumping_wires_to_fix.png\" alt=\"huawei mate x2 repair\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/13__finished.png\" alt=\"huawei mate x2 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>A UV mask was applied to cover the grounding rail layer.<\/li>\n\n\n\n<li>Wires were jumped across the broken layers, ensuring each rail was connected to its correct destination without causing shorts or bridges.<\/li>\n\n\n\n<li>This delicate process took approximately an hour to complete.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4: Reassembly 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-2 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\/14__Solder_back_the_connector.png\" alt=\"huawei mate x2 repair\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/15__Boot_normally.png\" alt=\"alimentazione in corrente continua\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/rewa.tech\/wp-content\/uploads\/2024\/04\/16__Boot_normally_HUAWEI.png\" alt=\"huawei mate x2 turning on\" 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>The connector and surrounding components, such as small capacitors and resistors, were soldered back onto the board.<\/li>\n\n\n\n<li>The phone was reassembled and connected to the DC power supply.<\/li>\n\n\n\n<li>The current leakage was no longer present, and the phone successfully booted up.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Consigli per la prevenzione<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The issue may have been caused by using a poor-quality charger or charging cable.<\/li>\n\n\n\n<li>To avoid similar issues, it&#8217;s important to use reliable and scientifically tested charging methods to keep your phone safe.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusione:<\/h2>\n\n\n\n<p>The Huawei Mate x2 charge to smoke, and it cannot boot or turn on isn&#8217;t normal, but it does happen occasionally. REWA Tech wrote this article based on a case study. This tutorial is intended to help repair technicians and DIYers learn something new.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Huawei Mate X2 is a cutting-edge foldable smartphone with an innovative design that pushes mobile technology to new heights. Due to a charging incident, the phone smoked, leaked current, and had a black screen, rendering it unusable. In this article, you will learn how to fix a damaged motherboard on a HUAWEI Mate X2 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":13226,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[166,10,5,13,447],"tags":[704,1448,1449],"class_list":["post-13225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huawei","category-android","category-guide","category-how-to","category-troubleshooting","tag-huawei","tag-huawei-mate-x2","tag-repair-huawei-mate"],"_links":{"self":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/posts\/13225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/comments?post=13225"}],"version-history":[{"count":0,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/posts\/13225\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/media\/13226"}],"wp:attachment":[{"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/media?parent=13225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/categories?post=13225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rewa.tech\/it\/wp-json\/wp\/v2\/tags?post=13225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}