'''++Zweber Steyn++''' since this happened after your phone fell and you already tried a restart, it stands to reason that this is a broken display. Of course, you always want to check for loose cables etc. but be prepared that this may need a new display. https://www.youtube.com/watch?v=pD5IS1TqQAE |Here is] how to do it and displays are available at places [https://lcdswap.com/product/touch-screen-digitizer-lcd-assembly-with-frame-for-samsung-galaxy-a70-a705-2019-full-premium-black/?utm_source=google&utm_campaign=shopping&utm_medium=cpc&utm_term=26203&gclid=Cj0KCQiA7aPyBRChARIsAJfWCgKV1vNYfvTqdltQgIvmL9-2XBH7jbKHGBHQgPuVFrw1xroe5Mo_t-saAiqGEALw_wcB|like this] and many more.
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'''++Zweber Steyn++''' since this happened after your phone fell and you already tried a restart, it stands to reason that this is a broken display. Of course, you always want to check for loose cables etc. but be prepared that this may need a new display. [https://www.youtube.com/watch?v=pD5IS1TqQAE |Here is] how to do it and displays are available at places [https://lcdswap.com/product/touch-screen-digitizer-lcd-assembly-with-frame-for-samsung-galaxy-a70-a705-2019-full-premium-black/?utm_source=google&utm_campaign=shopping&utm_medium=cpc&utm_term=26203&gclid=Cj0KCQiA7aPyBRChARIsAJfWCgKV1vNYfvTqdltQgIvmL9-2XBH7jbKHGBHQgPuVFrw1xroe5Mo_t-saAiqGEALw_wcB|like this] and many more.
'''++Zweber Steyn++''' since this happened after your phone fell and you already tried a restart, it stands to reason that this is a broken display. Of course, you always want to check for loose cables etc. but be prepared that this may need a new display. https://www.youtube.com/watch?v=pD5IS1TqQAE |Here is] how to do it and displays are available at places [https://lcdswap.com/product/touch-screen-digitizer-lcd-assembly-with-frame-for-samsung-galaxy-a70-a705-2019-full-premium-black/?utm_source=google&utm_campaign=shopping&utm_medium=cpc&utm_term=26203&gclid=Cj0KCQiA7aPyBRChARIsAJfWCgKV1vNYfvTqdltQgIvmL9-2XBH7jbKHGBHQgPuVFrw1xroe5Mo_t-saAiqGEALw_wcB|like this] and many more.